Home / 674,511.72-1,012,266.45-319,526.52

Finding the Fourth Proportional to 674,511.72, 1,012,266.45 and 319,526.52

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Solution

The fourth proportional to 674,511.72, 1,012,266.45 and 319,526.52 is: 479,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,511.72 : 1,012,266.45 = 319,526.52 : x
  2. Step 2: Convert to fraction form
    674,511.72/1,012,266.45 = 319,526.52/x
  3. Step 3: Cross multiply
    674,511.72x = 1,012,266.45 × 319,526.52
  4. Step 4: Simplify right side
    674,511.72x = 323,445,976,081.25
  5. Step 5: Solve for x
    x = 323,445,976,081.25/674,511.72
  6. Step 6: Final answer
    x = 479,526.10

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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.