Home / 674,168.18-1,010,861.04-319,179.20

Finding the Fourth Proportional to 674,168.18, 1,010,861.04 and 319,179.20

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Solution

The fourth proportional to 674,168.18, 1,010,861.04 and 319,179.20 is: 478,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,168.18 : 1,010,861.04 = 319,179.20 : x
  2. Step 2: Convert to fraction form
    674,168.18/1,010,861.04 = 319,179.20/x
  3. Step 3: Cross multiply
    674,168.18x = 1,010,861.04 × 319,179.20
  4. Step 4: Simplify right side
    674,168.18x = 322,645,818,058.37
  5. Step 5: Solve for x
    x = 322,645,818,058.37/674,168.18
  6. Step 6: Final answer
    x = 478,583.58

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1.5x scale

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.