Home / 578,263.05-797,985.88-320,151.49

Finding the Fourth Proportional to 578,263.05, 797,985.88 and 320,151.49

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Solution

The fourth proportional to 578,263.05, 797,985.88 and 320,151.49 is: 441,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,263.05 : 797,985.88 = 320,151.49 : x
  2. Step 2: Convert to fraction form
    578,263.05/797,985.88 = 320,151.49/x
  3. Step 3: Cross multiply
    578,263.05x = 797,985.88 × 320,151.49
  4. Step 4: Simplify right side
    578,263.05x = 255,476,365,685.62
  5. Step 5: Solve for x
    x = 255,476,365,685.62/578,263.05
  6. Step 6: Final answer
    x = 441,799.57

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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.