Home / 729,145.80-1,006,194.96-457,360.02

Finding the Fourth Proportional to 729,145.80, 1,006,194.96 and 457,360.02

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Solution

The fourth proportional to 729,145.80, 1,006,194.96 and 457,360.02 is: 631,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,145.80 : 1,006,194.96 = 457,360.02 : x
  2. Step 2: Convert to fraction form
    729,145.80/1,006,194.96 = 457,360.02/x
  3. Step 3: Cross multiply
    729,145.80x = 1,006,194.96 × 457,360.02
  4. Step 4: Simplify right side
    729,145.80x = 460,193,347,029.50
  5. Step 5: Solve for x
    x = 460,193,347,029.50/729,145.80
  6. Step 6: Final answer
    x = 631,140.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.