Home / 680,333.55-1,020,678.27-253,873.10

Finding the Fourth Proportional to 680,333.55, 1,020,678.27 and 253,873.10

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Solution

The fourth proportional to 680,333.55, 1,020,678.27 and 253,873.10 is: 380,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,333.55 : 1,020,678.27 = 253,873.10 : x
  2. Step 2: Convert to fraction form
    680,333.55/1,020,678.27 = 253,873.10/x
  3. Step 3: Cross multiply
    680,333.55x = 1,020,678.27 × 253,873.10
  4. Step 4: Simplify right side
    680,333.55x = 259,122,756,507.54
  5. Step 5: Solve for x
    x = 259,122,756,507.54/680,333.55
  6. Step 6: Final answer
    x = 380,876.05

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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.