Home / 987,468.96-1,479,220.08-454,248.48

Finding the Fourth Proportional to 987,468.96, 1,479,220.08 and 454,248.48

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Solution

The fourth proportional to 987,468.96, 1,479,220.08 and 454,248.48 is: 680,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,468.96 : 1,479,220.08 = 454,248.48 : x
  2. Step 2: Convert to fraction form
    987,468.96/1,479,220.08 = 454,248.48/x
  3. Step 3: Cross multiply
    987,468.96x = 1,479,220.08 × 454,248.48
  4. Step 4: Simplify right side
    987,468.96x = 671,933,472,925.48
  5. Step 5: Solve for x
    x = 671,933,472,925.48/987,468.96
  6. Step 6: Final answer
    x = 680,460.35

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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.