Home / 803,086.50-1,108,351.96-480,796.40

Finding the Fourth Proportional to 803,086.50, 1,108,351.96 and 480,796.40

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Solution

The fourth proportional to 803,086.50, 1,108,351.96 and 480,796.40 is: 663,554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,086.50 : 1,108,351.96 = 480,796.40 : x
  2. Step 2: Convert to fraction form
    803,086.50/1,108,351.96 = 480,796.40/x
  3. Step 3: Cross multiply
    803,086.50x = 1,108,351.96 × 480,796.40
  4. Step 4: Simplify right side
    803,086.50x = 532,891,632,300.94
  5. Step 5: Solve for x
    x = 532,891,632,300.94/803,086.50
  6. Step 6: Final answer
    x = 663,554.46

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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.