Home / 864,622.91-1,296,981.68-359,235

Finding the Fourth Proportional to 864,622.91, 1,296,981.68 and 359,235

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Solution

The fourth proportional to 864,622.91, 1,296,981.68 and 359,235 is: 538,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,622.91 : 1,296,981.68 = 359,235 : x
  2. Step 2: Convert to fraction form
    864,622.91/1,296,981.68 = 359,235/x
  3. Step 3: Cross multiply
    864,622.91x = 1,296,981.68 × 359,235
  4. Step 4: Simplify right side
    864,622.91x = 465,921,212,018.63
  5. Step 5: Solve for x
    x = 465,921,212,018.63/864,622.91
  6. Step 6: Final answer
    x = 538,872.15

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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.