Home / 778,756.48-1,167,958.56-357,627.52

Finding the Fourth Proportional to 778,756.48, 1,167,958.56 and 357,627.52

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Solution

The fourth proportional to 778,756.48, 1,167,958.56 and 357,627.52 is: 536,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,756.48 : 1,167,958.56 = 357,627.52 : x
  2. Step 2: Convert to fraction form
    778,756.48/1,167,958.56 = 357,627.52/x
  3. Step 3: Cross multiply
    778,756.48x = 1,167,958.56 × 357,627.52
  4. Step 4: Simplify right side
    778,756.48x = 417,694,123,275.57
  5. Step 5: Solve for x
    x = 417,694,123,275.57/778,756.48
  6. Step 6: Final answer
    x = 536,360.38

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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.