Home / 762,705.75-1,052,531.10-418,547.55

Finding the Fourth Proportional to 762,705.75, 1,052,531.10 and 418,547.55

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Solution

The fourth proportional to 762,705.75, 1,052,531.10 and 418,547.55 is: 577,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,705.75 : 1,052,531.10 = 418,547.55 : x
  2. Step 2: Convert to fraction form
    762,705.75/1,052,531.10 = 418,547.55/x
  3. Step 3: Cross multiply
    762,705.75x = 1,052,531.10 × 418,547.55
  4. Step 4: Simplify right side
    762,705.75x = 440,534,313,203.81
  5. Step 5: Solve for x
    x = 440,534,313,203.81/762,705.75
  6. Step 6: Final answer
    x = 577,594.06

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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.