Home / 690,898.52-1,036,347.80-269,879.15

Finding the Fourth Proportional to 690,898.52, 1,036,347.80 and 269,879.15

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Solution

The fourth proportional to 690,898.52, 1,036,347.80 and 269,879.15 is: 404,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,898.52 : 1,036,347.80 = 269,879.15 : x
  2. Step 2: Convert to fraction form
    690,898.52/1,036,347.80 = 269,879.15/x
  3. Step 3: Cross multiply
    690,898.52x = 1,036,347.80 × 269,879.15
  4. Step 4: Simplify right side
    690,898.52x = 279,688,656,837.24
  5. Step 5: Solve for x
    x = 279,688,656,837.24/690,898.52
  6. Step 6: Final answer
    x = 404,818.73

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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.