Home / 766,369.43-1,057,510.40-471,972.56

Finding the Fourth Proportional to 766,369.43, 1,057,510.40 and 471,972.56

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Solution

The fourth proportional to 766,369.43, 1,057,510.40 and 471,972.56 is: 651,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,369.43 : 1,057,510.40 = 471,972.56 : x
  2. Step 2: Convert to fraction form
    766,369.43/1,057,510.40 = 471,972.56/x
  3. Step 3: Cross multiply
    766,369.43x = 1,057,510.40 × 471,972.56
  4. Step 4: Simplify right side
    766,369.43x = 499,115,894,538.33
  5. Step 5: Solve for x
    x = 499,115,894,538.33/766,369.43
  6. Step 6: Final answer
    x = 651,273.23

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1.5x scale

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.