Home / 808,532.20-1,213,235.70-335,265.40

Finding the Fourth Proportional to 808,532.20, 1,213,235.70 and 335,265.40

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Solution

The fourth proportional to 808,532.20, 1,213,235.70 and 335,265.40 is: 503,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,532.20 : 1,213,235.70 = 335,265.40 : x
  2. Step 2: Convert to fraction form
    808,532.20/1,213,235.70 = 335,265.40/x
  3. Step 3: Cross multiply
    808,532.20x = 1,213,235.70 × 335,265.40
  4. Step 4: Simplify right side
    808,532.20x = 406,755,952,254.78
  5. Step 5: Solve for x
    x = 406,755,952,254.78/808,532.20
  6. Step 6: Final answer
    x = 503,079.47

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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.