Home / 649,729.70-975,443.39-521,714.34

Finding the Fourth Proportional to 649,729.70, 975,443.39 and 521,714.34

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Solution

The fourth proportional to 649,729.70, 975,443.39 and 521,714.34 is: 783,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,729.70 : 975,443.39 = 521,714.34 : x
  2. Step 2: Convert to fraction form
    649,729.70/975,443.39 = 521,714.34/x
  3. Step 3: Cross multiply
    649,729.70x = 975,443.39 × 521,714.34
  4. Step 4: Simplify right side
    649,729.70x = 508,902,805,045.18
  5. Step 5: Solve for x
    x = 508,902,805,045.18/649,729.70
  6. Step 6: Final answer
    x = 783,253.10

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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.