Home / 805,614.02-1,111,725.18-443,037.90

Finding the Fourth Proportional to 805,614.02, 1,111,725.18 and 443,037.90

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Solution

The fourth proportional to 805,614.02, 1,111,725.18 and 443,037.90 is: 611,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,614.02 : 1,111,725.18 = 443,037.90 : x
  2. Step 2: Convert to fraction form
    805,614.02/1,111,725.18 = 443,037.90/x
  3. Step 3: Cross multiply
    805,614.02x = 1,111,725.18 × 443,037.90
  4. Step 4: Simplify right side
    805,614.02x = 492,536,389,124.32
  5. Step 5: Solve for x
    x = 492,536,389,124.32/805,614.02
  6. Step 6: Final answer
    x = 611,380.11

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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.