Home / 783,283.50-1,080,932.31-443,774.70

Finding the Fourth Proportional to 783,283.50, 1,080,932.31 and 443,774.70

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Solution

The fourth proportional to 783,283.50, 1,080,932.31 and 443,774.70 is: 612,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,283.50 : 1,080,932.31 = 443,774.70 : x
  2. Step 2: Convert to fraction form
    783,283.50/1,080,932.31 = 443,774.70/x
  3. Step 3: Cross multiply
    783,283.50x = 1,080,932.31 × 443,774.70
  4. Step 4: Simplify right side
    783,283.50x = 479,690,411,590.56
  5. Step 5: Solve for x
    x = 479,690,411,590.56/783,283.50
  6. Step 6: Final answer
    x = 612,409.70

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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.