Home / 680,888.17-1,021,332.27-207,569.44

Finding the Fourth Proportional to 680,888.17, 1,021,332.27 and 207,569.44

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Solution

The fourth proportional to 680,888.17, 1,021,332.27 and 207,569.44 is: 311,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,888.17 : 1,021,332.27 = 207,569.44 : x
  2. Step 2: Convert to fraction form
    680,888.17/1,021,332.27 = 207,569.44/x
  3. Step 3: Cross multiply
    680,888.17x = 1,021,332.27 × 207,569.44
  4. Step 4: Simplify right side
    680,888.17x = 211,997,367,337.83
  5. Step 5: Solve for x
    x = 211,997,367,337.83/680,888.17
  6. Step 6: Final answer
    x = 311,354.16

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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.