Home / 677,079.40-1,015,686.10-250,728.96

Finding the Fourth Proportional to 677,079.40, 1,015,686.10 and 250,728.96

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Solution

The fourth proportional to 677,079.40, 1,015,686.10 and 250,728.96 is: 376,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,079.40 : 1,015,686.10 = 250,728.96 : x
  2. Step 2: Convert to fraction form
    677,079.40/1,015,686.10 = 250,728.96/x
  3. Step 3: Cross multiply
    677,079.40x = 1,015,686.10 × 250,728.96
  4. Step 4: Simplify right side
    677,079.40x = 254,661,919,539.46
  5. Step 5: Solve for x
    x = 254,661,919,539.46/677,079.40
  6. Step 6: Final answer
    x = 376,118.25

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1.5x scale

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.