Home / 759,743.32-1,139,674.92-254,307.28

Finding the Fourth Proportional to 759,743.32, 1,139,674.92 and 254,307.28

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Solution

The fourth proportional to 759,743.32, 1,139,674.92 and 254,307.28 is: 381,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,743.32 : 1,139,674.92 = 254,307.28 : x
  2. Step 2: Convert to fraction form
    759,743.32/1,139,674.92 = 254,307.28/x
  3. Step 3: Cross multiply
    759,743.32x = 1,139,674.92 × 254,307.28
  4. Step 4: Simplify right side
    759,743.32x = 289,827,628,989.42
  5. Step 5: Solve for x
    x = 289,827,628,989.42/759,743.32
  6. Step 6: Final answer
    x = 381,480.98

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.