Home / 870,646.12-1,201,474.92-483,441.41

Finding the Fourth Proportional to 870,646.12, 1,201,474.92 and 483,441.41

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Solution

The fourth proportional to 870,646.12, 1,201,474.92 and 483,441.41 is: 667,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,646.12 : 1,201,474.92 = 483,441.41 : x
  2. Step 2: Convert to fraction form
    870,646.12/1,201,474.92 = 483,441.41/x
  3. Step 3: Cross multiply
    870,646.12x = 1,201,474.92 × 483,441.41
  4. Step 4: Simplify right side
    870,646.12x = 580,842,734,221.03
  5. Step 5: Solve for x
    x = 580,842,734,221.03/870,646.12
  6. Step 6: Final answer
    x = 667,139.87

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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.