Home / 772,900.75-1,158,790.62-519,552.86

Finding the Fourth Proportional to 772,900.75, 1,158,790.62 and 519,552.86

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Solution

The fourth proportional to 772,900.75, 1,158,790.62 and 519,552.86 is: 778,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,900.75 : 1,158,790.62 = 519,552.86 : x
  2. Step 2: Convert to fraction form
    772,900.75/1,158,790.62 = 519,552.86/x
  3. Step 3: Cross multiply
    772,900.75x = 1,158,790.62 × 519,552.86
  4. Step 4: Simplify right side
    772,900.75x = 602,052,982,472.21
  5. Step 5: Solve for x
    x = 602,052,982,472.21/772,900.75
  6. Step 6: Final answer
    x = 778,952.51

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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.