Home / 864,535.66-1,296,803.48-443,543.02

Finding the Fourth Proportional to 864,535.66, 1,296,803.48 and 443,543.02

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Solution

The fourth proportional to 864,535.66, 1,296,803.48 and 443,543.02 is: 665,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,535.66 : 1,296,803.48 = 443,543.02 : x
  2. Step 2: Convert to fraction form
    864,535.66/1,296,803.48 = 443,543.02/x
  3. Step 3: Cross multiply
    864,535.66x = 1,296,803.48 × 443,543.02
  4. Step 4: Simplify right side
    864,535.66x = 575,188,131,865.71
  5. Step 5: Solve for x
    x = 575,188,131,865.71/864,535.66
  6. Step 6: Final answer
    x = 665,314.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.