Home / 820,936.26-1,132,881.30-458,366.28

Finding the Fourth Proportional to 820,936.26, 1,132,881.30 and 458,366.28

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Solution

The fourth proportional to 820,936.26, 1,132,881.30 and 458,366.28 is: 632,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,936.26 : 1,132,881.30 = 458,366.28 : x
  2. Step 2: Convert to fraction form
    820,936.26/1,132,881.30 = 458,366.28/x
  3. Step 3: Cross multiply
    820,936.26x = 1,132,881.30 × 458,366.28
  4. Step 4: Simplify right side
    820,936.26x = 519,274,587,162.56
  5. Step 5: Solve for x
    x = 519,274,587,162.56/820,936.26
  6. Step 6: Final answer
    x = 632,539.47

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1.5x scale

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.