Home / 808,274.25-1,212,459.98-247,313.61

Finding the Fourth Proportional to 808,274.25, 1,212,459.98 and 247,313.61

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Solution

The fourth proportional to 808,274.25, 1,212,459.98 and 247,313.61 is: 370,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,274.25 : 1,212,459.98 = 247,313.61 : x
  2. Step 2: Convert to fraction form
    808,274.25/1,212,459.98 = 247,313.61/x
  3. Step 3: Cross multiply
    808,274.25x = 1,212,459.98 × 247,313.61
  4. Step 4: Simplify right side
    808,274.25x = 299,857,853,397.76
  5. Step 5: Solve for x
    x = 299,857,853,397.76/808,274.25
  6. Step 6: Final answer
    x = 370,985.29

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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.