Home / 684,722.80-1,027,926.60-432,002.80

Finding the Fourth Proportional to 684,722.80, 1,027,926.60 and 432,002.80

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Solution

The fourth proportional to 684,722.80, 1,027,926.60 and 432,002.80 is: 648,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,722.80 : 1,027,926.60 = 432,002.80 : x
  2. Step 2: Convert to fraction form
    684,722.80/1,027,926.60 = 432,002.80/x
  3. Step 3: Cross multiply
    684,722.80x = 1,027,926.60 × 432,002.80
  4. Step 4: Simplify right side
    684,722.80x = 444,067,169,394.48
  5. Step 5: Solve for x
    x = 444,067,169,394.48/684,722.80
  6. Step 6: Final answer
    x = 648,535.68

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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.