Home / 878,150.14-1,211,839.59-475,741.18

Finding the Fourth Proportional to 878,150.14, 1,211,839.59 and 475,741.18

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Solution

The fourth proportional to 878,150.14, 1,211,839.59 and 475,741.18 is: 656,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,150.14 : 1,211,839.59 = 475,741.18 : x
  2. Step 2: Convert to fraction form
    878,150.14/1,211,839.59 = 475,741.18/x
  3. Step 3: Cross multiply
    878,150.14x = 1,211,839.59 × 475,741.18
  4. Step 4: Simplify right side
    878,150.14x = 576,521,996,517.32
  5. Step 5: Solve for x
    x = 576,521,996,517.32/878,150.14
  6. Step 6: Final answer
    x = 656,518.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.