Home / 755,246.85-1,132,885.40-281,837.76

Finding the Fourth Proportional to 755,246.85, 1,132,885.40 and 281,837.76

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Solution

The fourth proportional to 755,246.85, 1,132,885.40 and 281,837.76 is: 422,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,246.85 : 1,132,885.40 = 281,837.76 : x
  2. Step 2: Convert to fraction form
    755,246.85/1,132,885.40 = 281,837.76/x
  3. Step 3: Cross multiply
    755,246.85x = 1,132,885.40 × 281,837.76
  4. Step 4: Simplify right side
    755,246.85x = 319,289,882,063.52
  5. Step 5: Solve for x
    x = 319,289,882,063.52/755,246.85
  6. Step 6: Final answer
    x = 422,762.28

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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.