Home / 818,337.66-1,228,030.83-397,383.90

Finding the Fourth Proportional to 818,337.66, 1,228,030.83 and 397,383.90

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Solution

The fourth proportional to 818,337.66, 1,228,030.83 and 397,383.90 is: 596,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,337.66 : 1,228,030.83 = 397,383.90 : x
  2. Step 2: Convert to fraction form
    818,337.66/1,228,030.83 = 397,383.90/x
  3. Step 3: Cross multiply
    818,337.66x = 1,228,030.83 × 397,383.90
  4. Step 4: Simplify right side
    818,337.66x = 487,999,680,545.64
  5. Step 5: Solve for x
    x = 487,999,680,545.64/818,337.66
  6. Step 6: Final answer
    x = 596,330.47

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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.