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Finding the Fourth Proportional to 578,633.62, 798,479.17 and 320,495.27

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Solution

The fourth proportional to 578,633.62, 798,479.17 and 320,495.27 is: 442,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,633.62 : 798,479.17 = 320,495.27 : x
  2. Step 2: Convert to fraction form
    578,633.62/798,479.17 = 320,495.27/x
  3. Step 3: Cross multiply
    578,633.62x = 798,479.17 × 320,495.27
  4. Step 4: Simplify right side
    578,633.62x = 255,908,793,586.75
  5. Step 5: Solve for x
    x = 255,908,793,586.75/578,633.62
  6. Step 6: Final answer
    x = 442,263.95

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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.