Home / 677,229.60-1,014,922.80-480,007.20

Finding the Fourth Proportional to 677,229.60, 1,014,922.80 and 480,007.20

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Solution

The fourth proportional to 677,229.60, 1,014,922.80 and 480,007.20 is: 719,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,229.60 : 1,014,922.80 = 480,007.20 : x
  2. Step 2: Convert to fraction form
    677,229.60/1,014,922.80 = 480,007.20/x
  3. Step 3: Cross multiply
    677,229.60x = 1,014,922.80 × 480,007.20
  4. Step 4: Simplify right side
    677,229.60x = 487,170,251,444.16
  5. Step 5: Solve for x
    x = 487,170,251,444.16/677,229.60
  6. Step 6: Final answer
    x = 719,357.59

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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.