Home / 778,159.77-1,167,360.34-328,882.53

Finding the Fourth Proportional to 778,159.77, 1,167,360.34 and 328,882.53

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Solution

The fourth proportional to 778,159.77, 1,167,360.34 and 328,882.53 is: 493,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,159.77 : 1,167,360.34 = 328,882.53 : x
  2. Step 2: Convert to fraction form
    778,159.77/1,167,360.34 = 328,882.53/x
  3. Step 3: Cross multiply
    778,159.77x = 1,167,360.34 × 328,882.53
  4. Step 4: Simplify right side
    778,159.77x = 383,924,422,040.86
  5. Step 5: Solve for x
    x = 383,924,422,040.86/778,159.77
  6. Step 6: Final answer
    x = 493,374.80

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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.