Home / 721,105.04-1,081,574.88-188,677.52

Finding the Fourth Proportional to 721,105.04, 1,081,574.88 and 188,677.52

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Solution

The fourth proportional to 721,105.04, 1,081,574.88 and 188,677.52 is: 282,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,105.04 : 1,081,574.88 = 188,677.52 : x
  2. Step 2: Convert to fraction form
    721,105.04/1,081,574.88 = 188,677.52/x
  3. Step 3: Cross multiply
    721,105.04x = 1,081,574.88 × 188,677.52
  4. Step 4: Simplify right side
    721,105.04x = 204,068,866,052.70
  5. Step 5: Solve for x
    x = 204,068,866,052.70/721,105.04
  6. Step 6: Final answer
    x = 282,994.65

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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.