Home / 915,176.20-1,262,515.98-575,831.56

Finding the Fourth Proportional to 915,176.20, 1,262,515.98 and 575,831.56

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Solution

The fourth proportional to 915,176.20, 1,262,515.98 and 575,831.56 is: 794,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,176.20 : 1,262,515.98 = 575,831.56 : x
  2. Step 2: Convert to fraction form
    915,176.20/1,262,515.98 = 575,831.56/x
  3. Step 3: Cross multiply
    915,176.20x = 1,262,515.98 × 575,831.56
  4. Step 4: Simplify right side
    915,176.20x = 726,996,546,288.33
  5. Step 5: Solve for x
    x = 726,996,546,288.33/915,176.20
  6. Step 6: Final answer
    x = 794,378.77

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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.