Home / 677,851.38-1,015,537.77-317,360.88

Finding the Fourth Proportional to 677,851.38, 1,015,537.77 and 317,360.88

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Solution

The fourth proportional to 677,851.38, 1,015,537.77 and 317,360.88 is: 475,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,851.38 : 1,015,537.77 = 317,360.88 : x
  2. Step 2: Convert to fraction form
    677,851.38/1,015,537.77 = 317,360.88/x
  3. Step 3: Cross multiply
    677,851.38x = 1,015,537.77 × 317,360.88
  4. Step 4: Simplify right side
    677,851.38x = 322,291,960,360.44
  5. Step 5: Solve for x
    x = 322,291,960,360.44/677,851.38
  6. Step 6: Final answer
    x = 475,461.10

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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.