Home / 969,279.86-1,337,731.80-555,977.90

Finding the Fourth Proportional to 969,279.86, 1,337,731.80 and 555,977.90

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Solution

The fourth proportional to 969,279.86, 1,337,731.80 and 555,977.90 is: 767,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,279.86 : 1,337,731.80 = 555,977.90 : x
  2. Step 2: Convert to fraction form
    969,279.86/1,337,731.80 = 555,977.90/x
  3. Step 3: Cross multiply
    969,279.86x = 1,337,731.80 × 555,977.90
  4. Step 4: Simplify right side
    969,279.86x = 743,749,316,927.22
  5. Step 5: Solve for x
    x = 743,749,316,927.22/969,279.86
  6. Step 6: Final answer
    x = 767,321.54

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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.