Home / 840,066.35-1,159,245.97-477,439.88

Finding the Fourth Proportional to 840,066.35, 1,159,245.97 and 477,439.88

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Solution

The fourth proportional to 840,066.35, 1,159,245.97 and 477,439.88 is: 658,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,066.35 : 1,159,245.97 = 477,439.88 : x
  2. Step 2: Convert to fraction form
    840,066.35/1,159,245.97 = 477,439.88/x
  3. Step 3: Cross multiply
    840,066.35x = 1,159,245.97 × 477,439.88
  4. Step 4: Simplify right side
    840,066.35x = 553,470,256,807.28
  5. Step 5: Solve for x
    x = 553,470,256,807.28/840,066.35
  6. Step 6: Final answer
    x = 658,841.12

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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.