Home / 847,971.38-1,170,385.07-521,564.92

Finding the Fourth Proportional to 847,971.38, 1,170,385.07 and 521,564.92

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Solution

The fourth proportional to 847,971.38, 1,170,385.07 and 521,564.92 is: 719,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,971.38 : 1,170,385.07 = 521,564.92 : x
  2. Step 2: Convert to fraction form
    847,971.38/1,170,385.07 = 521,564.92/x
  3. Step 3: Cross multiply
    847,971.38x = 1,170,385.07 × 521,564.92
  4. Step 4: Simplify right side
    847,971.38x = 610,431,789,869.96
  5. Step 5: Solve for x
    x = 610,431,789,869.96/847,971.38
  6. Step 6: Final answer
    x = 719,873.10

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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.