Home / 855,151.80-1,180,029.11-578,947.79

Finding the Fourth Proportional to 855,151.80, 1,180,029.11 and 578,947.79

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Solution

The fourth proportional to 855,151.80, 1,180,029.11 and 578,947.79 is: 798,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,151.80 : 1,180,029.11 = 578,947.79 : x
  2. Step 2: Convert to fraction form
    855,151.80/1,180,029.11 = 578,947.79/x
  3. Step 3: Cross multiply
    855,151.80x = 1,180,029.11 × 578,947.79
  4. Step 4: Simplify right side
    855,151.80x = 683,175,242,044.42
  5. Step 5: Solve for x
    x = 683,175,242,044.42/855,151.80
  6. Step 6: Final answer
    x = 798,893.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.