Home / 806,875.29-1,209,962.97-274,253.31

Finding the Fourth Proportional to 806,875.29, 1,209,962.97 and 274,253.31

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Solution

The fourth proportional to 806,875.29, 1,209,962.97 and 274,253.31 is: 411,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,875.29 : 1,209,962.97 = 274,253.31 : x
  2. Step 2: Convert to fraction form
    806,875.29/1,209,962.97 = 274,253.31/x
  3. Step 3: Cross multiply
    806,875.29x = 1,209,962.97 × 274,253.31
  4. Step 4: Simplify right side
    806,875.29x = 331,836,349,499.93
  5. Step 5: Solve for x
    x = 331,836,349,499.93/806,875.29
  6. Step 6: Final answer
    x = 411,261.01

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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.