Home / 970,820.32-1,339,738.26-541,127.70

Finding the Fourth Proportional to 970,820.32, 1,339,738.26 and 541,127.70

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Solution

The fourth proportional to 970,820.32, 1,339,738.26 and 541,127.70 is: 746,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,820.32 : 1,339,738.26 = 541,127.70 : x
  2. Step 2: Convert to fraction form
    970,820.32/1,339,738.26 = 541,127.70/x
  3. Step 3: Cross multiply
    970,820.32x = 1,339,738.26 × 541,127.70
  4. Step 4: Simplify right side
    970,820.32x = 724,969,483,235.80
  5. Step 5: Solve for x
    x = 724,969,483,235.80/970,820.32
  6. Step 6: Final answer
    x = 746,759.69

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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.