Home / 738,155.60-1,107,233.40-644,843.60

Finding the Fourth Proportional to 738,155.60, 1,107,233.40 and 644,843.60

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Solution

The fourth proportional to 738,155.60, 1,107,233.40 and 644,843.60 is: 967,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,155.60 : 1,107,233.40 = 644,843.60 : x
  2. Step 2: Convert to fraction form
    738,155.60/1,107,233.40 = 644,843.60/x
  3. Step 3: Cross multiply
    738,155.60x = 1,107,233.40 × 644,843.60
  4. Step 4: Simplify right side
    738,155.60x = 713,992,371,696.24
  5. Step 5: Solve for x
    x = 713,992,371,696.24/738,155.60
  6. Step 6: Final answer
    x = 967,265.40

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Similar ratio
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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.