Home / 811,799.01-1,120,401.62-467,567.94

Finding the Fourth Proportional to 811,799.01, 1,120,401.62 and 467,567.94

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Solution

The fourth proportional to 811,799.01, 1,120,401.62 and 467,567.94 is: 645,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,799.01 : 1,120,401.62 = 467,567.94 : x
  2. Step 2: Convert to fraction form
    811,799.01/1,120,401.62 = 467,567.94/x
  3. Step 3: Cross multiply
    811,799.01x = 1,120,401.62 × 467,567.94
  4. Step 4: Simplify right side
    811,799.01x = 523,863,881,053.11
  5. Step 5: Solve for x
    x = 523,863,881,053.11/811,799.01
  6. Step 6: Final answer
    x = 645,312.29

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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.