Home / 855,233.70-1,282,686.52-256,214.40

Finding the Fourth Proportional to 855,233.70, 1,282,686.52 and 256,214.40

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Solution

The fourth proportional to 855,233.70, 1,282,686.52 and 256,214.40 is: 384,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,233.70 : 1,282,686.52 = 256,214.40 : x
  2. Step 2: Convert to fraction form
    855,233.70/1,282,686.52 = 256,214.40/x
  3. Step 3: Cross multiply
    855,233.70x = 1,282,686.52 × 256,214.40
  4. Step 4: Simplify right side
    855,233.70x = 328,642,757,109.89
  5. Step 5: Solve for x
    x = 328,642,757,109.89/855,233.70
  6. Step 6: Final answer
    x = 384,272.46

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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.