Home / 996,739.86-1,377,300.28-709,761.72

Finding the Fourth Proportional to 996,739.86, 1,377,300.28 and 709,761.72

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Solution

The fourth proportional to 996,739.86, 1,377,300.28 and 709,761.72 is: 980,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,739.86 : 1,377,300.28 = 709,761.72 : x
  2. Step 2: Convert to fraction form
    996,739.86/1,377,300.28 = 709,761.72/x
  3. Step 3: Cross multiply
    996,739.86x = 1,377,300.28 × 709,761.72
  4. Step 4: Simplify right side
    996,739.86x = 977,555,012,140.47
  5. Step 5: Solve for x
    x = 977,555,012,140.47/996,739.86
  6. Step 6: Final answer
    x = 980,752.40

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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.