Home / 783,200.34-1,080,838.49-443,668.59

Finding the Fourth Proportional to 783,200.34, 1,080,838.49 and 443,668.59

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Solution

The fourth proportional to 783,200.34, 1,080,838.49 and 443,668.59 is: 612,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,200.34 : 1,080,838.49 = 443,668.59 : x
  2. Step 2: Convert to fraction form
    783,200.34/1,080,838.49 = 443,668.59/x
  3. Step 3: Cross multiply
    783,200.34x = 1,080,838.49 × 443,668.59
  4. Step 4: Simplify right side
    783,200.34x = 479,534,086,657.69
  5. Step 5: Solve for x
    x = 479,534,086,657.69/783,200.34
  6. Step 6: Final answer
    x = 612,275.13

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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.