Home / 831,954.39-1,248,069.56-292,070.55

Finding the Fourth Proportional to 831,954.39, 1,248,069.56 and 292,070.55

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Solution

The fourth proportional to 831,954.39, 1,248,069.56 and 292,070.55 is: 438,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,954.39 : 1,248,069.56 = 292,070.55 : x
  2. Step 2: Convert to fraction form
    831,954.39/1,248,069.56 = 292,070.55/x
  3. Step 3: Cross multiply
    831,954.39x = 1,248,069.56 × 292,070.55
  4. Step 4: Simplify right side
    831,954.39x = 364,524,361,367.11
  5. Step 5: Solve for x
    x = 364,524,361,367.11/831,954.39
  6. Step 6: Final answer
    x = 438,154.26

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1.5x scale

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.