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Finding the Fourth Proportional to 485,797.54, 670,401.80 and 270,951.52

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Solution

The fourth proportional to 485,797.54, 670,401.80 and 270,951.52 is: 373,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,797.54 : 670,401.80 = 270,951.52 : x
  2. Step 2: Convert to fraction form
    485,797.54/670,401.80 = 270,951.52/x
  3. Step 3: Cross multiply
    485,797.54x = 670,401.80 × 270,951.52
  4. Step 4: Simplify right side
    485,797.54x = 181,646,385,365.98
  5. Step 5: Solve for x
    x = 181,646,385,365.98/485,797.54
  6. Step 6: Final answer
    x = 373,913.76

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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.