Home / 632,364.94-872,948.28-403,229.36

Finding the Fourth Proportional to 632,364.94, 872,948.28 and 403,229.36

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Solution

The fourth proportional to 632,364.94, 872,948.28 and 403,229.36 is: 556,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,364.94 : 872,948.28 = 403,229.36 : x
  2. Step 2: Convert to fraction form
    632,364.94/872,948.28 = 403,229.36/x
  3. Step 3: Cross multiply
    632,364.94x = 872,948.28 × 403,229.36
  4. Step 4: Simplify right side
    632,364.94x = 351,998,376,257.50
  5. Step 5: Solve for x
    x = 351,998,376,257.50/632,364.94
  6. Step 6: Final answer
    x = 556,638.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.