Home / 761,284.26-1,141,861.59-311,876.82

Finding the Fourth Proportional to 761,284.26, 1,141,861.59 and 311,876.82

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Solution

The fourth proportional to 761,284.26, 1,141,861.59 and 311,876.82 is: 467,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,284.26 : 1,141,861.59 = 311,876.82 : x
  2. Step 2: Convert to fraction form
    761,284.26/1,141,861.59 = 311,876.82/x
  3. Step 3: Cross multiply
    761,284.26x = 1,141,861.59 × 311,876.82
  4. Step 4: Simplify right side
    761,284.26x = 356,120,161,569.34
  5. Step 5: Solve for x
    x = 356,120,161,569.34/761,284.26
  6. Step 6: Final answer
    x = 467,788.68

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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.