Home / 671,450.76-1,006,277.76-329,371.20

Finding the Fourth Proportional to 671,450.76, 1,006,277.76 and 329,371.20

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Solution

The fourth proportional to 671,450.76, 1,006,277.76 and 329,371.20 is: 493,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,450.76 : 1,006,277.76 = 329,371.20 : x
  2. Step 2: Convert to fraction form
    671,450.76/1,006,277.76 = 329,371.20/x
  3. Step 3: Cross multiply
    671,450.76x = 1,006,277.76 × 329,371.20
  4. Step 4: Simplify right side
    671,450.76x = 331,438,913,344.51
  5. Step 5: Solve for x
    x = 331,438,913,344.51/671,450.76
  6. Step 6: Final answer
    x = 493,616.11

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Double scale
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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.