Home / 890,571.65-1,229,003.75-482,686.56

Finding the Fourth Proportional to 890,571.65, 1,229,003.75 and 482,686.56

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Solution

The fourth proportional to 890,571.65, 1,229,003.75 and 482,686.56 is: 666,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,571.65 : 1,229,003.75 = 482,686.56 : x
  2. Step 2: Convert to fraction form
    890,571.65/1,229,003.75 = 482,686.56/x
  3. Step 3: Cross multiply
    890,571.65x = 1,229,003.75 × 482,686.56
  4. Step 4: Simplify right side
    890,571.65x = 593,223,593,521.32
  5. Step 5: Solve for x
    x = 593,223,593,521.32/890,571.65
  6. Step 6: Final answer
    x = 666,115.52

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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.