Home / 741,343.20-1,112,014.80-488,963.40

Finding the Fourth Proportional to 741,343.20, 1,112,014.80 and 488,963.40

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Solution

The fourth proportional to 741,343.20, 1,112,014.80 and 488,963.40 is: 733,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,343.20 : 1,112,014.80 = 488,963.40 : x
  2. Step 2: Convert to fraction form
    741,343.20/1,112,014.80 = 488,963.40/x
  3. Step 3: Cross multiply
    741,343.20x = 1,112,014.80 × 488,963.40
  4. Step 4: Simplify right side
    741,343.20x = 543,734,537,458.32
  5. Step 5: Solve for x
    x = 543,734,537,458.32/741,343.20
  6. Step 6: Final answer
    x = 733,445.10

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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.