Home / 801,029.20-1,200,571.80-463,421.20

Finding the Fourth Proportional to 801,029.20, 1,200,571.80 and 463,421.20

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Solution

The fourth proportional to 801,029.20, 1,200,571.80 and 463,421.20 is: 694,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,029.20 : 1,200,571.80 = 463,421.20 : x
  2. Step 2: Convert to fraction form
    801,029.20/1,200,571.80 = 463,421.20/x
  3. Step 3: Cross multiply
    801,029.20x = 1,200,571.80 × 463,421.20
  4. Step 4: Simplify right side
    801,029.20x = 556,370,424,242.16
  5. Step 5: Solve for x
    x = 556,370,424,242.16/801,029.20
  6. Step 6: Final answer
    x = 694,569.47

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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.