Home / 748,941.60-1,123,412.40-655,629.60

Finding the Fourth Proportional to 748,941.60, 1,123,412.40 and 655,629.60

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Solution

The fourth proportional to 748,941.60, 1,123,412.40 and 655,629.60 is: 983,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,941.60 : 1,123,412.40 = 655,629.60 : x
  2. Step 2: Convert to fraction form
    748,941.60/1,123,412.40 = 655,629.60/x
  3. Step 3: Cross multiply
    748,941.60x = 1,123,412.40 × 655,629.60
  4. Step 4: Simplify right side
    748,941.60x = 736,542,422,447.04
  5. Step 5: Solve for x
    x = 736,542,422,447.04/748,941.60
  6. Step 6: Final answer
    x = 983,444.40

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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.