Home / 680,566.08-1,021,001.52-207,288.48

Finding the Fourth Proportional to 680,566.08, 1,021,001.52 and 207,288.48

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Solution

The fourth proportional to 680,566.08, 1,021,001.52 and 207,288.48 is: 310,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,566.08 : 1,021,001.52 = 207,288.48 : x
  2. Step 2: Convert to fraction form
    680,566.08/1,021,001.52 = 207,288.48/x
  3. Step 3: Cross multiply
    680,566.08x = 1,021,001.52 × 207,288.48
  4. Step 4: Simplify right side
    680,566.08x = 211,641,853,158.49
  5. Step 5: Solve for x
    x = 211,641,853,158.49/680,566.08
  6. Step 6: Final answer
    x = 310,979.14

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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.