Home / 802,921.52-1,205,044.84-403,675.76

Finding the Fourth Proportional to 802,921.52, 1,205,044.84 and 403,675.76

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Solution

The fourth proportional to 802,921.52, 1,205,044.84 and 403,675.76 is: 605,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,921.52 : 1,205,044.84 = 403,675.76 : x
  2. Step 2: Convert to fraction form
    802,921.52/1,205,044.84 = 403,675.76/x
  3. Step 3: Cross multiply
    802,921.52x = 1,205,044.84 × 403,675.76
  4. Step 4: Simplify right side
    802,921.52x = 486,447,391,621.08
  5. Step 5: Solve for x
    x = 486,447,391,621.08/802,921.52
  6. Step 6: Final answer
    x = 605,846.75

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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.