Home / 777,472.20-1,166,726.70-440,512.20

Finding the Fourth Proportional to 777,472.20, 1,166,726.70 and 440,512.20

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Solution

The fourth proportional to 777,472.20, 1,166,726.70 and 440,512.20 is: 661,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,472.20 : 1,166,726.70 = 440,512.20 : x
  2. Step 2: Convert to fraction form
    777,472.20/1,166,726.70 = 440,512.20/x
  3. Step 3: Cross multiply
    777,472.20x = 1,166,726.70 × 440,512.20
  4. Step 4: Simplify right side
    777,472.20x = 513,957,345,415.74
  5. Step 5: Solve for x
    x = 513,957,345,415.74/777,472.20
  6. Step 6: Final answer
    x = 661,062.02

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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.