Home / 680,697.50-1,021,116.08-260,326.94

Finding the Fourth Proportional to 680,697.50, 1,021,116.08 and 260,326.94

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Solution

The fourth proportional to 680,697.50, 1,021,116.08 and 260,326.94 is: 390,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,697.50 : 1,021,116.08 = 260,326.94 : x
  2. Step 2: Convert to fraction form
    680,697.50/1,021,116.08 = 260,326.94/x
  3. Step 3: Cross multiply
    680,697.50x = 1,021,116.08 × 260,326.94
  4. Step 4: Simplify right side
    680,697.50x = 265,824,020,036.43
  5. Step 5: Solve for x
    x = 265,824,020,036.43/680,697.50
  6. Step 6: Final answer
    x = 390,517.11

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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.