Home / 817,677.63-1,226,419.85-218,685.22

Finding the Fourth Proportional to 817,677.63, 1,226,419.85 and 218,685.22

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Solution

The fourth proportional to 817,677.63, 1,226,419.85 and 218,685.22 is: 328,001.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,677.63 : 1,226,419.85 = 218,685.22 : x
  2. Step 2: Convert to fraction form
    817,677.63/1,226,419.85 = 218,685.22/x
  3. Step 3: Cross multiply
    817,677.63x = 1,226,419.85 × 218,685.22
  4. Step 4: Simplify right side
    817,677.63x = 268,199,892,190.28
  5. Step 5: Solve for x
    x = 268,199,892,190.28/817,677.63
  6. Step 6: Final answer
    x = 328,001.99

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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.