Home / 630,306.03-945,467.28-209,581.95

Finding the Fourth Proportional to 630,306.03, 945,467.28 and 209,581.95

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Solution

The fourth proportional to 630,306.03, 945,467.28 and 209,581.95 is: 314,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,306.03 : 945,467.28 = 209,581.95 : x
  2. Step 2: Convert to fraction form
    630,306.03/945,467.28 = 209,581.95/x
  3. Step 3: Cross multiply
    630,306.03x = 945,467.28 × 209,581.95
  4. Step 4: Simplify right side
    630,306.03x = 198,152,876,203.60
  5. Step 5: Solve for x
    x = 198,152,876,203.60/630,306.03
  6. Step 6: Final answer
    x = 314,375.66

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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.