Home / 855,220.79-1,179,691.57-564,832.93

Finding the Fourth Proportional to 855,220.79, 1,179,691.57 and 564,832.93

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Solution

The fourth proportional to 855,220.79, 1,179,691.57 and 564,832.93 is: 779,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,220.79 : 1,179,691.57 = 564,832.93 : x
  2. Step 2: Convert to fraction form
    855,220.79/1,179,691.57 = 564,832.93/x
  3. Step 3: Cross multiply
    855,220.79x = 1,179,691.57 × 564,832.93
  4. Step 4: Simplify right side
    855,220.79x = 666,328,649,336.37
  5. Step 5: Solve for x
    x = 666,328,649,336.37/855,220.79
  6. Step 6: Final answer
    x = 779,130.55

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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.