Home / 748,839.60-1,123,259.40-465,404.40

Finding the Fourth Proportional to 748,839.60, 1,123,259.40 and 465,404.40

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Solution

The fourth proportional to 748,839.60, 1,123,259.40 and 465,404.40 is: 698,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,839.60 : 1,123,259.40 = 465,404.40 : x
  2. Step 2: Convert to fraction form
    748,839.60/1,123,259.40 = 465,404.40/x
  3. Step 3: Cross multiply
    748,839.60x = 1,123,259.40 × 465,404.40
  4. Step 4: Simplify right side
    748,839.60x = 522,769,867,101.36
  5. Step 5: Solve for x
    x = 522,769,867,101.36/748,839.60
  6. Step 6: Final answer
    x = 698,106.60

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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.