Home / 765,535.18-1,148,725.60-316,151.50

Finding the Fourth Proportional to 765,535.18, 1,148,725.60 and 316,151.50

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Solution

The fourth proportional to 765,535.18, 1,148,725.60 and 316,151.50 is: 474,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,535.18 : 1,148,725.60 = 316,151.50 : x
  2. Step 2: Convert to fraction form
    765,535.18/1,148,725.60 = 316,151.50/x
  3. Step 3: Cross multiply
    765,535.18x = 1,148,725.60 × 316,151.50
  4. Step 4: Simplify right side
    765,535.18x = 363,171,321,528.40
  5. Step 5: Solve for x
    x = 363,171,321,528.40/765,535.18
  6. Step 6: Final answer
    x = 474,401.87

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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.