Home / 626,106.17-938,328.89-326,838.47

Finding the Fourth Proportional to 626,106.17, 938,328.89 and 326,838.47

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Solution

The fourth proportional to 626,106.17, 938,328.89 and 326,838.47 is: 489,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,106.17 : 938,328.89 = 326,838.47 : x
  2. Step 2: Convert to fraction form
    626,106.17/938,328.89 = 326,838.47/x
  3. Step 3: Cross multiply
    626,106.17x = 938,328.89 × 326,838.47
  4. Step 4: Simplify right side
    626,106.17x = 306,681,972,438.56
  5. Step 5: Solve for x
    x = 306,681,972,438.56/626,106.17
  6. Step 6: Final answer
    x = 489,824.23

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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.