Home / 738,436.80-1,106,780.40-551,229.60

Finding the Fourth Proportional to 738,436.80, 1,106,780.40 and 551,229.60

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Solution

The fourth proportional to 738,436.80, 1,106,780.40 and 551,229.60 is: 826,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,436.80 : 1,106,780.40 = 551,229.60 : x
  2. Step 2: Convert to fraction form
    738,436.80/1,106,780.40 = 551,229.60/x
  3. Step 3: Cross multiply
    738,436.80x = 1,106,780.40 × 551,229.60
  4. Step 4: Simplify right side
    738,436.80x = 610,090,117,179.84
  5. Step 5: Solve for x
    x = 610,090,117,179.84/738,436.80
  6. Step 6: Final answer
    x = 826,191.38

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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.