Home / 675,623.20-1,013,434.80-276,001.60

Finding the Fourth Proportional to 675,623.20, 1,013,434.80 and 276,001.60

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Solution

The fourth proportional to 675,623.20, 1,013,434.80 and 276,001.60 is: 414,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,623.20 : 1,013,434.80 = 276,001.60 : x
  2. Step 2: Convert to fraction form
    675,623.20/1,013,434.80 = 276,001.60/x
  3. Step 3: Cross multiply
    675,623.20x = 1,013,434.80 × 276,001.60
  4. Step 4: Simplify right side
    675,623.20x = 279,709,626,295.68
  5. Step 5: Solve for x
    x = 279,709,626,295.68/675,623.20
  6. Step 6: Final answer
    x = 414,002.40

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Similar ratio
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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.