Home / 842,559.15-1,162,739.37-479,977.64

Finding the Fourth Proportional to 842,559.15, 1,162,739.37 and 479,977.64

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Solution

The fourth proportional to 842,559.15, 1,162,739.37 and 479,977.64 is: 662,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,559.15 : 1,162,739.37 = 479,977.64 : x
  2. Step 2: Convert to fraction form
    842,559.15/1,162,739.37 = 479,977.64/x
  3. Step 3: Cross multiply
    842,559.15x = 1,162,739.37 × 479,977.64
  4. Step 4: Simplify right side
    842,559.15x = 558,088,898,747.69
  5. Step 5: Solve for x
    x = 558,088,898,747.69/842,559.15
  6. Step 6: Final answer
    x = 662,373.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.