Home / 676,121.16-1,012,707.92-338,573.10

Finding the Fourth Proportional to 676,121.16, 1,012,707.92 and 338,573.10

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Solution

The fourth proportional to 676,121.16, 1,012,707.92 and 338,573.10 is: 507,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,121.16 : 1,012,707.92 = 338,573.10 : x
  2. Step 2: Convert to fraction form
    676,121.16/1,012,707.92 = 338,573.10/x
  3. Step 3: Cross multiply
    676,121.16x = 1,012,707.92 × 338,573.10
  4. Step 4: Simplify right side
    676,121.16x = 342,875,659,868.95
  5. Step 5: Solve for x
    x = 342,875,659,868.95/676,121.16
  6. Step 6: Final answer
    x = 507,121.62

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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.