Home / 803,981.68-1,109,496.64-441,428.88

Finding the Fourth Proportional to 803,981.68, 1,109,496.64 and 441,428.88

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Solution

The fourth proportional to 803,981.68, 1,109,496.64 and 441,428.88 is: 609,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,981.68 : 1,109,496.64 = 441,428.88 : x
  2. Step 2: Convert to fraction form
    803,981.68/1,109,496.64 = 441,428.88/x
  3. Step 3: Cross multiply
    803,981.68x = 1,109,496.64 × 441,428.88
  4. Step 4: Simplify right side
    803,981.68x = 489,763,859,158.96
  5. Step 5: Solve for x
    x = 489,763,859,158.96/803,981.68
  6. Step 6: Final answer
    x = 609,172.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.