Home / 855,614.36-1,179,891.42-569,146.52

Finding the Fourth Proportional to 855,614.36, 1,179,891.42 and 569,146.52

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Solution

The fourth proportional to 855,614.36, 1,179,891.42 and 569,146.52 is: 784,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,614.36 : 1,179,891.42 = 569,146.52 : x
  2. Step 2: Convert to fraction form
    855,614.36/1,179,891.42 = 569,146.52/x
  3. Step 3: Cross multiply
    855,614.36x = 1,179,891.42 × 569,146.52
  4. Step 4: Simplify right side
    855,614.36x = 671,531,095,670.86
  5. Step 5: Solve for x
    x = 671,531,095,670.86/855,614.36
  6. Step 6: Final answer
    x = 784,852.53

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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.