Home / 644,937.76-964,973.04-579,456.16

Finding the Fourth Proportional to 644,937.76, 964,973.04 and 579,456.16

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Solution

The fourth proportional to 644,937.76, 964,973.04 and 579,456.16 is: 866,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,937.76 : 964,973.04 = 579,456.16 : x
  2. Step 2: Convert to fraction form
    644,937.76/964,973.04 = 579,456.16/x
  3. Step 3: Cross multiply
    644,937.76x = 964,973.04 × 579,456.16
  4. Step 4: Simplify right side
    644,937.76x = 559,159,572,261.93
  5. Step 5: Solve for x
    x = 559,159,572,261.93/644,937.76
  6. Step 6: Final answer
    x = 866,997.73

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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.