Home / 721,841.64-1,082,048.22-342,094.92

Finding the Fourth Proportional to 721,841.64, 1,082,048.22 and 342,094.92

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Solution

The fourth proportional to 721,841.64, 1,082,048.22 and 342,094.92 is: 512,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,841.64 : 1,082,048.22 = 342,094.92 : x
  2. Step 2: Convert to fraction form
    721,841.64/1,082,048.22 = 342,094.92/x
  3. Step 3: Cross multiply
    721,841.64x = 1,082,048.22 × 342,094.92
  4. Step 4: Simplify right side
    721,841.64x = 370,163,199,257.04
  5. Step 5: Solve for x
    x = 370,163,199,257.04/721,841.64
  6. Step 6: Final answer
    x = 512,803.89

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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.