Home / 885,470.16-1,221,912.36-523,011.36

Finding the Fourth Proportional to 885,470.16, 1,221,912.36 and 523,011.36

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Solution

The fourth proportional to 885,470.16, 1,221,912.36 and 523,011.36 is: 721,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,470.16 : 1,221,912.36 = 523,011.36 : x
  2. Step 2: Convert to fraction form
    885,470.16/1,221,912.36 = 523,011.36/x
  3. Step 3: Cross multiply
    885,470.16x = 1,221,912.36 × 523,011.36
  4. Step 4: Simplify right side
    885,470.16x = 639,074,045,204.41
  5. Step 5: Solve for x
    x = 639,074,045,204.41/885,470.16
  6. Step 6: Final answer
    x = 721,734.14

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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.