Home / 769,742.03-1,154,801.30-542,481.07

Finding the Fourth Proportional to 769,742.03, 1,154,801.30 and 542,481.07

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Solution

The fourth proportional to 769,742.03, 1,154,801.30 and 542,481.07 is: 813,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,742.03 : 1,154,801.30 = 542,481.07 : x
  2. Step 2: Convert to fraction form
    769,742.03/1,154,801.30 = 542,481.07/x
  3. Step 3: Cross multiply
    769,742.03x = 1,154,801.30 × 542,481.07
  4. Step 4: Simplify right side
    769,742.03x = 626,457,836,374.98
  5. Step 5: Solve for x
    x = 626,457,836,374.98/769,742.03
  6. Step 6: Final answer
    x = 813,854.27

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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.