Home / 558,766.86-771,098.28-304,119.90

Finding the Fourth Proportional to 558,766.86, 771,098.28 and 304,119.90

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Solution

The fourth proportional to 558,766.86, 771,098.28 and 304,119.90 is: 419,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,766.86 : 771,098.28 = 304,119.90 : x
  2. Step 2: Convert to fraction form
    558,766.86/771,098.28 = 304,119.90/x
  3. Step 3: Cross multiply
    558,766.86x = 771,098.28 × 304,119.90
  4. Step 4: Simplify right side
    558,766.86x = 234,506,331,803.77
  5. Step 5: Solve for x
    x = 234,506,331,803.77/558,766.86
  6. Step 6: Final answer
    x = 419,685.47

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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.