Home / 855,917.10-1,282,948.90-556,612.49

Finding the Fourth Proportional to 855,917.10, 1,282,948.90 and 556,612.49

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Solution

The fourth proportional to 855,917.10, 1,282,948.90 and 556,612.49 is: 834,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,917.10 : 1,282,948.90 = 556,612.49 : x
  2. Step 2: Convert to fraction form
    855,917.10/1,282,948.90 = 556,612.49/x
  3. Step 3: Cross multiply
    855,917.10x = 1,282,948.90 × 556,612.49
  4. Step 4: Simplify right side
    855,917.10x = 714,105,383,587.60
  5. Step 5: Solve for x
    x = 714,105,383,587.60/855,917.10
  6. Step 6: Final answer
    x = 834,316.06

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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.