Home / 778,723.10-1,166,116.35-511,034.30

Finding the Fourth Proportional to 778,723.10, 1,166,116.35 and 511,034.30

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Solution

The fourth proportional to 778,723.10, 1,166,116.35 and 511,034.30 is: 765,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,723.10 : 1,166,116.35 = 511,034.30 : x
  2. Step 2: Convert to fraction form
    778,723.10/1,166,116.35 = 511,034.30/x
  3. Step 3: Cross multiply
    778,723.10x = 1,166,116.35 × 511,034.30
  4. Step 4: Simplify right side
    778,723.10x = 595,925,452,640.81
  5. Step 5: Solve for x
    x = 595,925,452,640.81/778,723.10
  6. Step 6: Final answer
    x = 765,259.76

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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.