Home / 875,358.30-1,208,990.90-588,380.16

Finding the Fourth Proportional to 875,358.30, 1,208,990.90 and 588,380.16

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Solution

The fourth proportional to 875,358.30, 1,208,990.90 and 588,380.16 is: 812,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,358.30 : 1,208,990.90 = 588,380.16 : x
  2. Step 2: Convert to fraction form
    875,358.30/1,208,990.90 = 588,380.16/x
  3. Step 3: Cross multiply
    875,358.30x = 1,208,990.90 × 588,380.16
  4. Step 4: Simplify right side
    875,358.30x = 711,346,256,238.64
  5. Step 5: Solve for x
    x = 711,346,256,238.64/875,358.30
  6. Step 6: Final answer
    x = 812,634.39

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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.