Home / 762,697.38-1,052,534.66-440,435.64

Finding the Fourth Proportional to 762,697.38, 1,052,534.66 and 440,435.64

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Solution

The fourth proportional to 762,697.38, 1,052,534.66 and 440,435.64 is: 607,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,697.38 : 1,052,534.66 = 440,435.64 : x
  2. Step 2: Convert to fraction form
    762,697.38/1,052,534.66 = 440,435.64/x
  3. Step 3: Cross multiply
    762,697.38x = 1,052,534.66 × 440,435.64
  4. Step 4: Simplify right side
    762,697.38x = 463,573,774,397.10
  5. Step 5: Solve for x
    x = 463,573,774,397.10/762,697.38
  6. Step 6: Final answer
    x = 607,808.27

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Double scale
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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.