Home / 732,028.95-1,098,232.74-428,679.27

Finding the Fourth Proportional to 732,028.95, 1,098,232.74 and 428,679.27

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Solution

The fourth proportional to 732,028.95, 1,098,232.74 and 428,679.27 is: 643,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,028.95 : 1,098,232.74 = 428,679.27 : x
  2. Step 2: Convert to fraction form
    732,028.95/1,098,232.74 = 428,679.27/x
  3. Step 3: Cross multiply
    732,028.95x = 1,098,232.74 × 428,679.27
  4. Step 4: Simplify right side
    732,028.95x = 470,789,609,273.30
  5. Step 5: Solve for x
    x = 470,789,609,273.30/732,028.95
  6. Step 6: Final answer
    x = 643,129.77

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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.