Home / 921,159.70-1,383,165.15-501,255.70

Finding the Fourth Proportional to 921,159.70, 1,383,165.15 and 501,255.70

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Solution

The fourth proportional to 921,159.70, 1,383,165.15 and 501,255.70 is: 752,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,159.70 : 1,383,165.15 = 501,255.70 : x
  2. Step 2: Convert to fraction form
    921,159.70/1,383,165.15 = 501,255.70/x
  3. Step 3: Cross multiply
    921,159.70x = 1,383,165.15 × 501,255.70
  4. Step 4: Simplify right side
    921,159.70x = 693,319,415,478.86
  5. Step 5: Solve for x
    x = 693,319,415,478.86/921,159.70
  6. Step 6: Final answer
    x = 752,659.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.