Home / 677,470.65-1,015,320.10-277,643.31

Finding the Fourth Proportional to 677,470.65, 1,015,320.10 and 277,643.31

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Solution

The fourth proportional to 677,470.65, 1,015,320.10 and 277,643.31 is: 416,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,470.65 : 1,015,320.10 = 277,643.31 : x
  2. Step 2: Convert to fraction form
    677,470.65/1,015,320.10 = 277,643.31/x
  3. Step 3: Cross multiply
    677,470.65x = 1,015,320.10 × 277,643.31
  4. Step 4: Simplify right side
    677,470.65x = 281,896,826,808.71
  5. Step 5: Solve for x
    x = 281,896,826,808.71/677,470.65
  6. Step 6: Final answer
    x = 416,101.91

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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.