Home / 753,437.20-1,131,030.60-433,843.60

Finding the Fourth Proportional to 753,437.20, 1,131,030.60 and 433,843.60

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Solution

The fourth proportional to 753,437.20, 1,131,030.60 and 433,843.60 is: 651,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,437.20 : 1,131,030.60 = 433,843.60 : x
  2. Step 2: Convert to fraction form
    753,437.20/1,131,030.60 = 433,843.60/x
  3. Step 3: Cross multiply
    753,437.20x = 1,131,030.60 × 433,843.60
  4. Step 4: Simplify right side
    753,437.20x = 490,690,387,214.16
  5. Step 5: Solve for x
    x = 490,690,387,214.16/753,437.20
  6. Step 6: Final answer
    x = 651,269.13

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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.