Home / 885,747.20-1,222,384.02-670,546.40

Finding the Fourth Proportional to 885,747.20, 1,222,384.02 and 670,546.40

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Solution

The fourth proportional to 885,747.20, 1,222,384.02 and 670,546.40 is: 925,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,747.20 : 1,222,384.02 = 670,546.40 : x
  2. Step 2: Convert to fraction form
    885,747.20/1,222,384.02 = 670,546.40/x
  3. Step 3: Cross multiply
    885,747.20x = 1,222,384.02 × 670,546.40
  4. Step 4: Simplify right side
    885,747.20x = 819,665,204,028.53
  5. Step 5: Solve for x
    x = 819,665,204,028.53/885,747.20
  6. Step 6: Final answer
    x = 925,394.07

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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.