Home / 769,287.60-1,153,931.40-342,822.60

Finding the Fourth Proportional to 769,287.60, 1,153,931.40 and 342,822.60

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Solution

The fourth proportional to 769,287.60, 1,153,931.40 and 342,822.60 is: 514,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,287.60 : 1,153,931.40 = 342,822.60 : x
  2. Step 2: Convert to fraction form
    769,287.60/1,153,931.40 = 342,822.60/x
  3. Step 3: Cross multiply
    769,287.60x = 1,153,931.40 × 342,822.60
  4. Step 4: Simplify right side
    769,287.60x = 395,593,762,769.64
  5. Step 5: Solve for x
    x = 395,593,762,769.64/769,287.60
  6. Step 6: Final answer
    x = 514,233.90

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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.