Home / 906,102.96-1,250,454.21-498,235.86

Finding the Fourth Proportional to 906,102.96, 1,250,454.21 and 498,235.86

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Solution

The fourth proportional to 906,102.96, 1,250,454.21 and 498,235.86 is: 687,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,102.96 : 1,250,454.21 = 498,235.86 : x
  2. Step 2: Convert to fraction form
    906,102.96/1,250,454.21 = 498,235.86/x
  3. Step 3: Cross multiply
    906,102.96x = 1,250,454.21 × 498,235.86
  4. Step 4: Simplify right side
    906,102.96x = 623,021,126,841.59
  5. Step 5: Solve for x
    x = 623,021,126,841.59/906,102.96
  6. Step 6: Final answer
    x = 687,583.15

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Double scale
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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.