Home / 739,037.92-1,019,873.12-399,506.24

Finding the Fourth Proportional to 739,037.92, 1,019,873.12 and 399,506.24

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Solution

The fourth proportional to 739,037.92, 1,019,873.12 and 399,506.24 is: 551,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,037.92 : 1,019,873.12 = 399,506.24 : x
  2. Step 2: Convert to fraction form
    739,037.92/1,019,873.12 = 399,506.24/x
  3. Step 3: Cross multiply
    739,037.92x = 1,019,873.12 × 399,506.24
  4. Step 4: Simplify right side
    739,037.92x = 407,445,675,448.27
  5. Step 5: Solve for x
    x = 407,445,675,448.27/739,037.92
  6. Step 6: Final answer
    x = 551,319.04

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.