Home / 781,910.46-1,079,165.48-536,693.70

Finding the Fourth Proportional to 781,910.46, 1,079,165.48 and 536,693.70

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Solution

The fourth proportional to 781,910.46, 1,079,165.48 and 536,693.70 is: 740,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,910.46 : 1,079,165.48 = 536,693.70 : x
  2. Step 2: Convert to fraction form
    781,910.46/1,079,165.48 = 536,693.70/x
  3. Step 3: Cross multiply
    781,910.46x = 1,079,165.48 × 536,693.70
  4. Step 4: Simplify right side
    781,910.46x = 579,181,311,690.01
  5. Step 5: Solve for x
    x = 579,181,311,690.01/781,910.46
  6. Step 6: Final answer
    x = 740,725.88

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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.