Home / 880,839.72-1,320,315.03-577,119.15

Finding the Fourth Proportional to 880,839.72, 1,320,315.03 and 577,119.15

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Solution

The fourth proportional to 880,839.72, 1,320,315.03 and 577,119.15 is: 865,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,839.72 : 1,320,315.03 = 577,119.15 : x
  2. Step 2: Convert to fraction form
    880,839.72/1,320,315.03 = 577,119.15/x
  3. Step 3: Cross multiply
    880,839.72x = 1,320,315.03 × 577,119.15
  4. Step 4: Simplify right side
    880,839.72x = 761,979,087,845.83
  5. Step 5: Solve for x
    x = 761,979,087,845.83/880,839.72
  6. Step 6: Final answer
    x = 865,059.86

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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.