Home / 817,729.76-1,127,988.76-531,440.52

Finding the Fourth Proportional to 817,729.76, 1,127,988.76 and 531,440.52

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Solution

The fourth proportional to 817,729.76, 1,127,988.76 and 531,440.52 is: 733,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,729.76 : 1,127,988.76 = 531,440.52 : x
  2. Step 2: Convert to fraction form
    817,729.76/1,127,988.76 = 531,440.52/x
  3. Step 3: Cross multiply
    817,729.76x = 1,127,988.76 × 531,440.52
  4. Step 4: Simplify right side
    817,729.76x = 599,458,933,168.56
  5. Step 5: Solve for x
    x = 599,458,933,168.56/817,729.76
  6. Step 6: Final answer
    x = 733,077.07

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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.