Home / 454,606.40-627,099.95-284,545.28

Finding the Fourth Proportional to 454,606.40, 627,099.95 and 284,545.28

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Solution

The fourth proportional to 454,606.40, 627,099.95 and 284,545.28 is: 392,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,606.40 : 627,099.95 = 284,545.28 : x
  2. Step 2: Convert to fraction form
    454,606.40/627,099.95 = 284,545.28/x
  3. Step 3: Cross multiply
    454,606.40x = 627,099.95 × 284,545.28
  4. Step 4: Simplify right side
    454,606.40x = 178,438,326,302.51
  5. Step 5: Solve for x
    x = 178,438,326,302.51/454,606.40
  6. Step 6: Final answer
    x = 392,511.69

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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.