Home / 677,470.77-1,015,320.29-277,643.43

Finding the Fourth Proportional to 677,470.77, 1,015,320.29 and 277,643.43

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Solution

The fourth proportional to 677,470.77, 1,015,320.29 and 277,643.43 is: 416,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,470.77 : 1,015,320.29 = 277,643.43 : x
  2. Step 2: Convert to fraction form
    677,470.77/1,015,320.29 = 277,643.43/x
  3. Step 3: Cross multiply
    677,470.77x = 1,015,320.29 × 277,643.43
  4. Step 4: Simplify right side
    677,470.77x = 281,897,006,475.98
  5. Step 5: Solve for x
    x = 281,897,006,475.98/677,470.77
  6. Step 6: Final answer
    x = 416,102.09

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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.