Home / 810,363.69-1,215,593.10-304,929.05

Finding the Fourth Proportional to 810,363.69, 1,215,593.10 and 304,929.05

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Solution

The fourth proportional to 810,363.69, 1,215,593.10 and 304,929.05 is: 457,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,363.69 : 1,215,593.10 = 304,929.05 : x
  2. Step 2: Convert to fraction form
    810,363.69/1,215,593.10 = 304,929.05/x
  3. Step 3: Cross multiply
    810,363.69x = 1,215,593.10 × 304,929.05
  4. Step 4: Simplify right side
    810,363.69x = 370,669,643,091.59
  5. Step 5: Solve for x
    x = 370,669,643,091.59/810,363.69
  6. Step 6: Final answer
    x = 457,411.47

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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.