Home / 589,722.47-883,287.10-487,360.43

Finding the Fourth Proportional to 589,722.47, 883,287.10 and 487,360.43

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Solution

The fourth proportional to 589,722.47, 883,287.10 and 487,360.43 is: 729,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,722.47 : 883,287.10 = 487,360.43 : x
  2. Step 2: Convert to fraction form
    589,722.47/883,287.10 = 487,360.43/x
  3. Step 3: Cross multiply
    589,722.47x = 883,287.10 × 487,360.43
  4. Step 4: Simplify right side
    589,722.47x = 430,479,179,651.05
  5. Step 5: Solve for x
    x = 430,479,179,651.05/589,722.47
  6. Step 6: Final answer
    x = 729,969.10

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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.