Home / 645,701.30-968,206.35-271,301.30

Finding the Fourth Proportional to 645,701.30, 968,206.35 and 271,301.30

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Solution

The fourth proportional to 645,701.30, 968,206.35 and 271,301.30 is: 406,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,701.30 : 968,206.35 = 271,301.30 : x
  2. Step 2: Convert to fraction form
    645,701.30/968,206.35 = 271,301.30/x
  3. Step 3: Cross multiply
    645,701.30x = 968,206.35 × 271,301.30
  4. Step 4: Simplify right side
    645,701.30x = 262,675,641,423.26
  5. Step 5: Solve for x
    x = 262,675,641,423.26/645,701.30
  6. Step 6: Final answer
    x = 406,806.74

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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.