Home / 977,810.91-1,349,311.15-542,250.72

Finding the Fourth Proportional to 977,810.91, 1,349,311.15 and 542,250.72

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Solution

The fourth proportional to 977,810.91, 1,349,311.15 and 542,250.72 is: 748,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,810.91 : 1,349,311.15 = 542,250.72 : x
  2. Step 2: Convert to fraction form
    977,810.91/1,349,311.15 = 542,250.72/x
  3. Step 3: Cross multiply
    977,810.91x = 1,349,311.15 × 542,250.72
  4. Step 4: Simplify right side
    977,810.91x = 731,664,944,609.18
  5. Step 5: Solve for x
    x = 731,664,944,609.18/977,810.91
  6. Step 6: Final answer
    x = 748,268.34

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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.