Home / 741,032.16-1,022,643.60-454,387.20

Finding the Fourth Proportional to 741,032.16, 1,022,643.60 and 454,387.20

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Solution

The fourth proportional to 741,032.16, 1,022,643.60 and 454,387.20 is: 627,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,032.16 : 1,022,643.60 = 454,387.20 : x
  2. Step 2: Convert to fraction form
    741,032.16/1,022,643.60 = 454,387.20/x
  3. Step 3: Cross multiply
    741,032.16x = 1,022,643.60 × 454,387.20
  4. Step 4: Simplify right side
    741,032.16x = 464,676,162,001.92
  5. Step 5: Solve for x
    x = 464,676,162,001.92/741,032.16
  6. Step 6: Final answer
    x = 627,066.12

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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.