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Finding the Fourth Proportional to 506,301.23, 698,693.95 and 279,946.73

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Solution

The fourth proportional to 506,301.23, 698,693.95 and 279,946.73 is: 386,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,301.23 : 698,693.95 = 279,946.73 : x
  2. Step 2: Convert to fraction form
    506,301.23/698,693.95 = 279,946.73/x
  3. Step 3: Cross multiply
    506,301.23x = 698,693.95 × 279,946.73
  4. Step 4: Simplify right side
    506,301.23x = 195,597,088,669.95
  5. Step 5: Solve for x
    x = 195,597,088,669.95/506,301.23
  6. Step 6: Final answer
    x = 386,325.52

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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.