Home / 761,476.89-1,141,966.17-356,543.76

Finding the Fourth Proportional to 761,476.89, 1,141,966.17 and 356,543.76

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Solution

The fourth proportional to 761,476.89, 1,141,966.17 and 356,543.76 is: 534,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,476.89 : 1,141,966.17 = 356,543.76 : x
  2. Step 2: Convert to fraction form
    761,476.89/1,141,966.17 = 356,543.76/x
  3. Step 3: Cross multiply
    761,476.89x = 1,141,966.17 × 356,543.76
  4. Step 4: Simplify right side
    761,476.89x = 407,160,912,044.60
  5. Step 5: Solve for x
    x = 407,160,912,044.60/761,476.89
  6. Step 6: Final answer
    x = 534,698.97

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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.