Home / 484,979.40-727,469.10-130,048.20

Finding the Fourth Proportional to 484,979.40, 727,469.10 and 130,048.20

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Solution

The fourth proportional to 484,979.40, 727,469.10 and 130,048.20 is: 195,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,979.40 : 727,469.10 = 130,048.20 : x
  2. Step 2: Convert to fraction form
    484,979.40/727,469.10 = 130,048.20/x
  3. Step 3: Cross multiply
    484,979.40x = 727,469.10 × 130,048.20
  4. Step 4: Simplify right side
    484,979.40x = 94,606,047,010.62
  5. Step 5: Solve for x
    x = 94,606,047,010.62/484,979.40
  6. Step 6: Final answer
    x = 195,072.30

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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.