Home / 645,101.68-967,013.32-302,932.57

Finding the Fourth Proportional to 645,101.68, 967,013.32 and 302,932.57

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Solution

The fourth proportional to 645,101.68, 967,013.32 and 302,932.57 is: 454,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,101.68 : 967,013.32 = 302,932.57 : x
  2. Step 2: Convert to fraction form
    645,101.68/967,013.32 = 302,932.57/x
  3. Step 3: Cross multiply
    645,101.68x = 967,013.32 × 302,932.57
  4. Step 4: Simplify right side
    645,101.68x = 292,939,830,251.83
  5. Step 5: Solve for x
    x = 292,939,830,251.83/645,101.68
  6. Step 6: Final answer
    x = 454,098.69

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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.