Home / 761,858.29-1,141,784.78-425,057.52

Finding the Fourth Proportional to 761,858.29, 1,141,784.78 and 425,057.52

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Solution

The fourth proportional to 761,858.29, 1,141,784.78 and 425,057.52 is: 637,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,858.29 : 1,141,784.78 = 425,057.52 : x
  2. Step 2: Convert to fraction form
    761,858.29/1,141,784.78 = 425,057.52/x
  3. Step 3: Cross multiply
    761,858.29x = 1,141,784.78 × 425,057.52
  4. Step 4: Simplify right side
    761,858.29x = 485,324,206,960.55
  5. Step 5: Solve for x
    x = 485,324,206,960.55/761,858.29
  6. Step 6: Final answer
    x = 637,026.88

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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.