Home / 677,470.15-1,015,319.35-277,642.81

Finding the Fourth Proportional to 677,470.15, 1,015,319.35 and 277,642.81

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Solution

The fourth proportional to 677,470.15, 1,015,319.35 and 277,642.81 is: 416,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,470.15 : 1,015,319.35 = 277,642.81 : x
  2. Step 2: Convert to fraction form
    677,470.15/1,015,319.35 = 277,642.81/x
  3. Step 3: Cross multiply
    677,470.15x = 1,015,319.35 × 277,642.81
  4. Step 4: Simplify right side
    677,470.15x = 281,896,110,916.56
  5. Step 5: Solve for x
    x = 281,896,110,916.56/677,470.15
  6. Step 6: Final answer
    x = 416,101.16

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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.