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Finding the Fourth Proportional to 475,659.07, 656,430.02 and 284,635.69

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Solution

The fourth proportional to 475,659.07, 656,430.02 and 284,635.69 is: 392,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,659.07 : 656,430.02 = 284,635.69 : x
  2. Step 2: Convert to fraction form
    475,659.07/656,430.02 = 284,635.69/x
  3. Step 3: Cross multiply
    475,659.07x = 656,430.02 × 284,635.69
  4. Step 4: Simplify right side
    475,659.07x = 186,843,411,679.41
  5. Step 5: Solve for x
    x = 186,843,411,679.41/475,659.07
  6. Step 6: Final answer
    x = 392,809.52

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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.