Home / 987,296.13-1,481,001.63-277,379.52

Finding the Fourth Proportional to 987,296.13, 1,481,001.63 and 277,379.52

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Solution

The fourth proportional to 987,296.13, 1,481,001.63 and 277,379.52 is: 416,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,296.13 : 1,481,001.63 = 277,379.52 : x
  2. Step 2: Convert to fraction form
    987,296.13/1,481,001.63 = 277,379.52/x
  3. Step 3: Cross multiply
    987,296.13x = 1,481,001.63 × 277,379.52
  4. Step 4: Simplify right side
    987,296.13x = 410,799,521,248.62
  5. Step 5: Solve for x
    x = 410,799,521,248.62/987,296.13
  6. Step 6: Final answer
    x = 416,085.42

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1.5x scale

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.