Home / 677,468.90-1,015,317.47-277,641.56

Finding the Fourth Proportional to 677,468.90, 1,015,317.47 and 277,641.56

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Solution

The fourth proportional to 677,468.90, 1,015,317.47 and 277,641.56 is: 416,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,468.90 : 1,015,317.47 = 277,641.56 : x
  2. Step 2: Convert to fraction form
    677,468.90/1,015,317.47 = 277,641.56/x
  3. Step 3: Cross multiply
    677,468.90x = 1,015,317.47 × 277,641.56
  4. Step 4: Simplify right side
    677,468.90x = 281,894,319,801.26
  5. Step 5: Solve for x
    x = 281,894,319,801.26/677,468.90
  6. Step 6: Final answer
    x = 416,099.28

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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.