Home / 782,299.35-1,079,483.76-438,087.42

Finding the Fourth Proportional to 782,299.35, 1,079,483.76 and 438,087.42

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Solution

The fourth proportional to 782,299.35, 1,079,483.76 and 438,087.42 is: 604,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,299.35 : 1,079,483.76 = 438,087.42 : x
  2. Step 2: Convert to fraction form
    782,299.35/1,079,483.76 = 438,087.42/x
  3. Step 3: Cross multiply
    782,299.35x = 1,079,483.76 × 438,087.42
  4. Step 4: Simplify right side
    782,299.35x = 472,908,255,350.30
  5. Step 5: Solve for x
    x = 472,908,255,350.30/782,299.35
  6. Step 6: Final answer
    x = 604,510.61

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1.5x scale

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.