Home / 819,247.72-1,130,098.80-512,792.06

Finding the Fourth Proportional to 819,247.72, 1,130,098.80 and 512,792.06

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Solution

The fourth proportional to 819,247.72, 1,130,098.80 and 512,792.06 is: 707,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,247.72 : 1,130,098.80 = 512,792.06 : x
  2. Step 2: Convert to fraction form
    819,247.72/1,130,098.80 = 512,792.06/x
  3. Step 3: Cross multiply
    819,247.72x = 1,130,098.80 × 512,792.06
  4. Step 4: Simplify right side
    819,247.72x = 579,505,691,655.53
  5. Step 5: Solve for x
    x = 579,505,691,655.53/819,247.72
  6. Step 6: Final answer
    x = 707,363.20

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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.