Home / 403,048.20-556,436.88-267,266.64

Finding the Fourth Proportional to 403,048.20, 556,436.88 and 267,266.64

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Solution

The fourth proportional to 403,048.20, 556,436.88 and 267,266.64 is: 368,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,048.20 : 556,436.88 = 267,266.64 : x
  2. Step 2: Convert to fraction form
    403,048.20/556,436.88 = 267,266.64/x
  3. Step 3: Cross multiply
    403,048.20x = 556,436.88 × 267,266.64
  4. Step 4: Simplify right side
    403,048.20x = 148,717,015,289.68
  5. Step 5: Solve for x
    x = 148,717,015,289.68/403,048.20
  6. Step 6: Final answer
    x = 368,980.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.