Home / 948,575.79-1,422,866.12-387,610.29

Finding the Fourth Proportional to 948,575.79, 1,422,866.12 and 387,610.29

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Solution

The fourth proportional to 948,575.79, 1,422,866.12 and 387,610.29 is: 581,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,575.79 : 1,422,866.12 = 387,610.29 : x
  2. Step 2: Convert to fraction form
    948,575.79/1,422,866.12 = 387,610.29/x
  3. Step 3: Cross multiply
    948,575.79x = 1,422,866.12 × 387,610.29
  4. Step 4: Simplify right side
    948,575.79x = 551,517,547,466.32
  5. Step 5: Solve for x
    x = 551,517,547,466.32/948,575.79
  6. Step 6: Final answer
    x = 581,416.43

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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.