Home / 864,047.80-1,295,423.70-443,625.40

Finding the Fourth Proportional to 864,047.80, 1,295,423.70 and 443,625.40

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Solution

The fourth proportional to 864,047.80, 1,295,423.70 and 443,625.40 is: 665,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,047.80 : 1,295,423.70 = 443,625.40 : x
  2. Step 2: Convert to fraction form
    864,047.80/1,295,423.70 = 443,625.40/x
  3. Step 3: Cross multiply
    864,047.80x = 1,295,423.70 × 443,625.40
  4. Step 4: Simplify right side
    864,047.80x = 574,682,857,081.98
  5. Step 5: Solve for x
    x = 574,682,857,081.98/864,047.80
  6. Step 6: Final answer
    x = 665,105.40

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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.