Home / 864,100.18-1,296,394.53-295,604.38

Finding the Fourth Proportional to 864,100.18, 1,296,394.53 and 295,604.38

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Solution

The fourth proportional to 864,100.18, 1,296,394.53 and 295,604.38 is: 443,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,100.18 : 1,296,394.53 = 295,604.38 : x
  2. Step 2: Convert to fraction form
    864,100.18/1,296,394.53 = 295,604.38/x
  3. Step 3: Cross multiply
    864,100.18x = 1,296,394.53 × 295,604.38
  4. Step 4: Simplify right side
    864,100.18x = 383,219,901,276.04
  5. Step 5: Solve for x
    x = 383,219,901,276.04/864,100.18
  6. Step 6: Final answer
    x = 443,490.13

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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.