Home / 484,783.30-727,507.10-169,240.20

Finding the Fourth Proportional to 484,783.30, 727,507.10 and 169,240.20

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Solution

The fourth proportional to 484,783.30, 727,507.10 and 169,240.20 is: 253,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,783.30 : 727,507.10 = 169,240.20 : x
  2. Step 2: Convert to fraction form
    484,783.30/727,507.10 = 169,240.20/x
  3. Step 3: Cross multiply
    484,783.30x = 727,507.10 × 169,240.20
  4. Step 4: Simplify right side
    484,783.30x = 123,123,447,105.42
  5. Step 5: Solve for x
    x = 123,123,447,105.42/484,783.30
  6. Step 6: Final answer
    x = 253,976.26

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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.