Home / 880,710.06-1,215,359.25-518,157.23

Finding the Fourth Proportional to 880,710.06, 1,215,359.25 and 518,157.23

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Solution

The fourth proportional to 880,710.06, 1,215,359.25 and 518,157.23 is: 715,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,710.06 : 1,215,359.25 = 518,157.23 : x
  2. Step 2: Convert to fraction form
    880,710.06/1,215,359.25 = 518,157.23/x
  3. Step 3: Cross multiply
    880,710.06x = 1,215,359.25 × 518,157.23
  4. Step 4: Simplify right side
    880,710.06x = 629,747,182,434.88
  5. Step 5: Solve for x
    x = 629,747,182,434.88/880,710.06
  6. Step 6: Final answer
    x = 715,044.84

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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.