Home / 749,528.32-1,034,140.80-447,612.16

Finding the Fourth Proportional to 749,528.32, 1,034,140.80 and 447,612.16

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Solution

The fourth proportional to 749,528.32, 1,034,140.80 and 447,612.16 is: 617,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,528.32 : 1,034,140.80 = 447,612.16 : x
  2. Step 2: Convert to fraction form
    749,528.32/1,034,140.80 = 447,612.16/x
  3. Step 3: Cross multiply
    749,528.32x = 1,034,140.80 × 447,612.16
  4. Step 4: Simplify right side
    749,528.32x = 462,893,997,232.13
  5. Step 5: Solve for x
    x = 462,893,997,232.13/749,528.32
  6. Step 6: Final answer
    x = 617,580.40

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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.