Home / 905,155.88-1,248,976.26-523,108.88

Finding the Fourth Proportional to 905,155.88, 1,248,976.26 and 523,108.88

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Solution

The fourth proportional to 905,155.88, 1,248,976.26 and 523,108.88 is: 721,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,155.88 : 1,248,976.26 = 523,108.88 : x
  2. Step 2: Convert to fraction form
    905,155.88/1,248,976.26 = 523,108.88/x
  3. Step 3: Cross multiply
    905,155.88x = 1,248,976.26 × 523,108.88
  4. Step 4: Simplify right side
    905,155.88x = 653,350,572,515.19
  5. Step 5: Solve for x
    x = 653,350,572,515.19/905,155.88
  6. Step 6: Final answer
    x = 721,810.01

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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.