Home / 765,001.70-1,146,452.78-484,015.94

Finding the Fourth Proportional to 765,001.70, 1,146,452.78 and 484,015.94

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Solution

The fourth proportional to 765,001.70, 1,146,452.78 and 484,015.94 is: 725,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,001.70 : 1,146,452.78 = 484,015.94 : x
  2. Step 2: Convert to fraction form
    765,001.70/1,146,452.78 = 484,015.94/x
  3. Step 3: Cross multiply
    765,001.70x = 1,146,452.78 × 484,015.94
  4. Step 4: Simplify right side
    765,001.70x = 554,901,419,977.31
  5. Step 5: Solve for x
    x = 554,901,419,977.31/765,001.70
  6. Step 6: Final answer
    x = 725,359.72

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1.5x scale

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.