Home / 709,256.92-1,062,966.18-288,043.48

Finding the Fourth Proportional to 709,256.92, 1,062,966.18 and 288,043.48

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Solution

The fourth proportional to 709,256.92, 1,062,966.18 and 288,043.48 is: 431,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,256.92 : 1,062,966.18 = 288,043.48 : x
  2. Step 2: Convert to fraction form
    709,256.92/1,062,966.18 = 288,043.48/x
  3. Step 3: Cross multiply
    709,256.92x = 1,062,966.18 × 288,043.48
  4. Step 4: Simplify right side
    709,256.92x = 306,180,477,609.51
  5. Step 5: Solve for x
    x = 306,180,477,609.51/709,256.92
  6. Step 6: Final answer
    x = 431,691.91

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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.