Home / 987,695.01-1,480,398.88-454,096.17

Finding the Fourth Proportional to 987,695.01, 1,480,398.88 and 454,096.17

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Solution

The fourth proportional to 987,695.01, 1,480,398.88 and 454,096.17 is: 680,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,695.01 : 1,480,398.88 = 454,096.17 : x
  2. Step 2: Convert to fraction form
    987,695.01/1,480,398.88 = 454,096.17/x
  3. Step 3: Cross multiply
    987,695.01x = 1,480,398.88 × 454,096.17
  4. Step 4: Simplify right side
    987,695.01x = 672,243,461,480.29
  5. Step 5: Solve for x
    x = 672,243,461,480.29/987,695.01
  6. Step 6: Final answer
    x = 680,618.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.