Home / 747,370.40-1,121,055.60-368,363.30

Finding the Fourth Proportional to 747,370.40, 1,121,055.60 and 368,363.30

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Solution

The fourth proportional to 747,370.40, 1,121,055.60 and 368,363.30 is: 552,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,370.40 : 1,121,055.60 = 368,363.30 : x
  2. Step 2: Convert to fraction form
    747,370.40/1,121,055.60 = 368,363.30/x
  3. Step 3: Cross multiply
    747,370.40x = 1,121,055.60 × 368,363.30
  4. Step 4: Simplify right side
    747,370.40x = 412,955,740,299.48
  5. Step 5: Solve for x
    x = 412,955,740,299.48/747,370.40
  6. Step 6: Final answer
    x = 552,544.95

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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.