Home / 762,277.35-1,141,891.49-458,503.76

Finding the Fourth Proportional to 762,277.35, 1,141,891.49 and 458,503.76

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Solution

The fourth proportional to 762,277.35, 1,141,891.49 and 458,503.76 is: 686,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,277.35 : 1,141,891.49 = 458,503.76 : x
  2. Step 2: Convert to fraction form
    762,277.35/1,141,891.49 = 458,503.76/x
  3. Step 3: Cross multiply
    762,277.35x = 1,141,891.49 × 458,503.76
  4. Step 4: Simplify right side
    762,277.35x = 523,561,533,675.03
  5. Step 5: Solve for x
    x = 523,561,533,675.03/762,277.35
  6. Step 6: Final answer
    x = 686,838.63

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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.