Home / 739,672.20-1,108,742.85-401,999.40

Finding the Fourth Proportional to 739,672.20, 1,108,742.85 and 401,999.40

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Solution

The fourth proportional to 739,672.20, 1,108,742.85 and 401,999.40 is: 602,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,672.20 : 1,108,742.85 = 401,999.40 : x
  2. Step 2: Convert to fraction form
    739,672.20/1,108,742.85 = 401,999.40/x
  3. Step 3: Cross multiply
    739,672.20x = 1,108,742.85 × 401,999.40
  4. Step 4: Simplify right side
    739,672.20x = 445,713,960,454.29
  5. Step 5: Solve for x
    x = 445,713,960,454.29/739,672.20
  6. Step 6: Final answer
    x = 602,583.09

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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.