Home / 804,317.20-1,207,397.40-472,080.40

Finding the Fourth Proportional to 804,317.20, 1,207,397.40 and 472,080.40

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Solution

The fourth proportional to 804,317.20, 1,207,397.40 and 472,080.40 is: 708,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,317.20 : 1,207,397.40 = 472,080.40 : x
  2. Step 2: Convert to fraction form
    804,317.20/1,207,397.40 = 472,080.40/x
  3. Step 3: Cross multiply
    804,317.20x = 1,207,397.40 × 472,080.40
  4. Step 4: Simplify right side
    804,317.20x = 569,988,647,550.96
  5. Step 5: Solve for x
    x = 569,988,647,550.96/804,317.20
  6. Step 6: Final answer
    x = 708,661.52

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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.