Home / 819,317.44-1,130,725.41-451,866.46

Finding the Fourth Proportional to 819,317.44, 1,130,725.41 and 451,866.46

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Solution

The fourth proportional to 819,317.44, 1,130,725.41 and 451,866.46 is: 623,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,317.44 : 1,130,725.41 = 451,866.46 : x
  2. Step 2: Convert to fraction form
    819,317.44/1,130,725.41 = 451,866.46/x
  3. Step 3: Cross multiply
    819,317.44x = 1,130,725.41 × 451,866.46
  4. Step 4: Simplify right side
    819,317.44x = 510,936,885,989.42
  5. Step 5: Solve for x
    x = 510,936,885,989.42/819,317.44
  6. Step 6: Final answer
    x = 623,612.85

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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.