Home / 677,846.88-1,015,531.02-317,356.38

Finding the Fourth Proportional to 677,846.88, 1,015,531.02 and 317,356.38

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Solution

The fourth proportional to 677,846.88, 1,015,531.02 and 317,356.38 is: 475,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,846.88 : 1,015,531.02 = 317,356.38 : x
  2. Step 2: Convert to fraction form
    677,846.88/1,015,531.02 = 317,356.38/x
  3. Step 3: Cross multiply
    677,846.88x = 1,015,531.02 × 317,356.38
  4. Step 4: Simplify right side
    677,846.88x = 322,285,248,284.91
  5. Step 5: Solve for x
    x = 322,285,248,284.91/677,846.88
  6. Step 6: Final answer
    x = 475,454.35

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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.