Home / 756,177.12-1,043,047.67-450,024.90

Finding the Fourth Proportional to 756,177.12, 1,043,047.67 and 450,024.90

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Solution

The fourth proportional to 756,177.12, 1,043,047.67 and 450,024.90 is: 620,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,177.12 : 1,043,047.67 = 450,024.90 : x
  2. Step 2: Convert to fraction form
    756,177.12/1,043,047.67 = 450,024.90/x
  3. Step 3: Cross multiply
    756,177.12x = 1,043,047.67 × 450,024.90
  4. Step 4: Simplify right side
    756,177.12x = 469,397,421,136.86
  5. Step 5: Solve for x
    x = 469,397,421,136.86/756,177.12
  6. Step 6: Final answer
    x = 620,750.63

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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.