Home / 806,854.29-1,209,931.50-274,232.31

Finding the Fourth Proportional to 806,854.29, 1,209,931.50 and 274,232.31

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Solution

The fourth proportional to 806,854.29, 1,209,931.50 and 274,232.31 is: 411,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,854.29 : 1,209,931.50 = 274,232.31 : x
  2. Step 2: Convert to fraction form
    806,854.29/1,209,931.50 = 274,232.31/x
  3. Step 3: Cross multiply
    806,854.29x = 1,209,931.50 × 274,232.31
  4. Step 4: Simplify right side
    806,854.29x = 331,802,310,186.77
  5. Step 5: Solve for x
    x = 331,802,310,186.77/806,854.29
  6. Step 6: Final answer
    x = 411,229.53

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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.