Home / 747,005.60-1,121,674.80-432,077.60

Finding the Fourth Proportional to 747,005.60, 1,121,674.80 and 432,077.60

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Solution

The fourth proportional to 747,005.60, 1,121,674.80 and 432,077.60 is: 648,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,005.60 : 1,121,674.80 = 432,077.60 : x
  2. Step 2: Convert to fraction form
    747,005.60/1,121,674.80 = 432,077.60/x
  3. Step 3: Cross multiply
    747,005.60x = 1,121,674.80 × 432,077.60
  4. Step 4: Simplify right side
    747,005.60x = 484,650,555,564.48
  5. Step 5: Solve for x
    x = 484,650,555,564.48/747,005.60
  6. Step 6: Final answer
    x = 648,791.06

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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.