Home / 878,630.14-1,317,001.83-372,764.17

Finding the Fourth Proportional to 878,630.14, 1,317,001.83 and 372,764.17

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Solution

The fourth proportional to 878,630.14, 1,317,001.83 and 372,764.17 is: 558,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,630.14 : 1,317,001.83 = 372,764.17 : x
  2. Step 2: Convert to fraction form
    878,630.14/1,317,001.83 = 372,764.17/x
  3. Step 3: Cross multiply
    878,630.14x = 1,317,001.83 × 372,764.17
  4. Step 4: Simplify right side
    878,630.14x = 490,931,094,048.43
  5. Step 5: Solve for x
    x = 490,931,094,048.43/878,630.14
  6. Step 6: Final answer
    x = 558,746.02

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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.