Home / 806,310.34-1,112,754.18-462,203.53

Finding the Fourth Proportional to 806,310.34, 1,112,754.18 and 462,203.53

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Solution

The fourth proportional to 806,310.34, 1,112,754.18 and 462,203.53 is: 637,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,310.34 : 1,112,754.18 = 462,203.53 : x
  2. Step 2: Convert to fraction form
    806,310.34/1,112,754.18 = 462,203.53/x
  3. Step 3: Cross multiply
    806,310.34x = 1,112,754.18 × 462,203.53
  4. Step 4: Simplify right side
    806,310.34x = 514,318,910,018.26
  5. Step 5: Solve for x
    x = 514,318,910,018.26/806,310.34
  6. Step 6: Final answer
    x = 637,867.19

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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.