Home / 502,128.01-692,768.09-284,306.96

Finding the Fourth Proportional to 502,128.01, 692,768.09 and 284,306.96

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Solution

The fourth proportional to 502,128.01, 692,768.09 and 284,306.96 is: 392,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,128.01 : 692,768.09 = 284,306.96 : x
  2. Step 2: Convert to fraction form
    502,128.01/692,768.09 = 284,306.96/x
  3. Step 3: Cross multiply
    502,128.01x = 692,768.09 × 284,306.96
  4. Step 4: Simplify right side
    502,128.01x = 196,958,792,095.59
  5. Step 5: Solve for x
    x = 196,958,792,095.59/502,128.01
  6. Step 6: Final answer
    x = 392,248.17

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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.