Home / 704,081.20-1,056,121.80-230,814.40

Finding the Fourth Proportional to 704,081.20, 1,056,121.80 and 230,814.40

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Solution

The fourth proportional to 704,081.20, 1,056,121.80 and 230,814.40 is: 346,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,081.20 : 1,056,121.80 = 230,814.40 : x
  2. Step 2: Convert to fraction form
    704,081.20/1,056,121.80 = 230,814.40/x
  3. Step 3: Cross multiply
    704,081.20x = 1,056,121.80 × 230,814.40
  4. Step 4: Simplify right side
    704,081.20x = 243,768,119,593.92
  5. Step 5: Solve for x
    x = 243,768,119,593.92/704,081.20
  6. Step 6: Final answer
    x = 346,221.60

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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.