Home / 672,143.20-1,008,214.80-580,904.80

Finding the Fourth Proportional to 672,143.20, 1,008,214.80 and 580,904.80

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Solution

The fourth proportional to 672,143.20, 1,008,214.80 and 580,904.80 is: 871,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,143.20 : 1,008,214.80 = 580,904.80 : x
  2. Step 2: Convert to fraction form
    672,143.20/1,008,214.80 = 580,904.80/x
  3. Step 3: Cross multiply
    672,143.20x = 1,008,214.80 × 580,904.80
  4. Step 4: Simplify right side
    672,143.20x = 585,676,816,751.04
  5. Step 5: Solve for x
    x = 585,676,816,751.04/672,143.20
  6. Step 6: Final answer
    x = 871,357.20

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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.