Home / 905,134.95-1,248,947.51-523,088.01

Finding the Fourth Proportional to 905,134.95, 1,248,947.51 and 523,088.01

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Solution

The fourth proportional to 905,134.95, 1,248,947.51 and 523,088.01 is: 721,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,134.95 : 1,248,947.51 = 523,088.01 : x
  2. Step 2: Convert to fraction form
    905,134.95/1,248,947.51 = 523,088.01/x
  3. Step 3: Cross multiply
    905,134.95x = 1,248,947.51 × 523,088.01
  4. Step 4: Simplify right side
    905,134.95x = 653,309,467,600.36
  5. Step 5: Solve for x
    x = 653,309,467,600.36/905,134.95
  6. Step 6: Final answer
    x = 721,781.29

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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.