Home / 729,007.50-1,006,030.98-406,717.68

Finding the Fourth Proportional to 729,007.50, 1,006,030.98 and 406,717.68

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Solution

The fourth proportional to 729,007.50, 1,006,030.98 and 406,717.68 is: 561,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,007.50 : 1,006,030.98 = 406,717.68 : x
  2. Step 2: Convert to fraction form
    729,007.50/1,006,030.98 = 406,717.68/x
  3. Step 3: Cross multiply
    729,007.50x = 1,006,030.98 × 406,717.68
  4. Step 4: Simplify right side
    729,007.50x = 409,170,586,193.73
  5. Step 5: Solve for x
    x = 409,170,586,193.73/729,007.50
  6. Step 6: Final answer
    x = 561,270.75

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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.