Home / 762,695.13-1,052,531.55-440,433.39

Finding the Fourth Proportional to 762,695.13, 1,052,531.55 and 440,433.39

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Solution

The fourth proportional to 762,695.13, 1,052,531.55 and 440,433.39 is: 607,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,695.13 : 1,052,531.55 = 440,433.39 : x
  2. Step 2: Convert to fraction form
    762,695.13/1,052,531.55 = 440,433.39/x
  3. Step 3: Cross multiply
    762,695.13x = 1,052,531.55 × 440,433.39
  4. Step 4: Simplify right side
    762,695.13x = 463,570,038,648.46
  5. Step 5: Solve for x
    x = 463,570,038,648.46/762,695.13
  6. Step 6: Final answer
    x = 607,805.16

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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.