Home / 646,432.24-892,102.80-359,934.16

Finding the Fourth Proportional to 646,432.24, 892,102.80 and 359,934.16

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Solution

The fourth proportional to 646,432.24, 892,102.80 and 359,934.16 is: 496,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,432.24 : 892,102.80 = 359,934.16 : x
  2. Step 2: Convert to fraction form
    646,432.24/892,102.80 = 359,934.16/x
  3. Step 3: Cross multiply
    646,432.24x = 892,102.80 × 359,934.16
  4. Step 4: Simplify right side
    646,432.24x = 321,098,271,951.65
  5. Step 5: Solve for x
    x = 321,098,271,951.65/646,432.24
  6. Step 6: Final answer
    x = 496,723.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.