Home / 849,301.20-1,273,951.80-471,387.60

Finding the Fourth Proportional to 849,301.20, 1,273,951.80 and 471,387.60

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Solution

The fourth proportional to 849,301.20, 1,273,951.80 and 471,387.60 is: 707,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,301.20 : 1,273,951.80 = 471,387.60 : x
  2. Step 2: Convert to fraction form
    849,301.20/1,273,951.80 = 471,387.60/x
  3. Step 3: Cross multiply
    849,301.20x = 1,273,951.80 × 471,387.60
  4. Step 4: Simplify right side
    849,301.20x = 600,525,081,517.68
  5. Step 5: Solve for x
    x = 600,525,081,517.68/849,301.20
  6. Step 6: Final answer
    x = 707,081.40

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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.