Home / 980,867.40-1,471,544.10-448,276.20

Finding the Fourth Proportional to 980,867.40, 1,471,544.10 and 448,276.20

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Solution

The fourth proportional to 980,867.40, 1,471,544.10 and 448,276.20 is: 672,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,867.40 : 1,471,544.10 = 448,276.20 : x
  2. Step 2: Convert to fraction form
    980,867.40/1,471,544.10 = 448,276.20/x
  3. Step 3: Cross multiply
    980,867.40x = 1,471,544.10 × 448,276.20
  4. Step 4: Simplify right side
    980,867.40x = 659,658,197,280.42
  5. Step 5: Solve for x
    x = 659,658,197,280.42/980,867.40
  6. Step 6: Final answer
    x = 672,525.36

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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.