Home / 578,222.52-797,934.64-320,084.53

Finding the Fourth Proportional to 578,222.52, 797,934.64 and 320,084.53

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Solution

The fourth proportional to 578,222.52, 797,934.64 and 320,084.53 is: 441,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,222.52 : 797,934.64 = 320,084.53 : x
  2. Step 2: Convert to fraction form
    578,222.52/797,934.64 = 320,084.53/x
  3. Step 3: Cross multiply
    578,222.52x = 797,934.64 × 320,084.53
  4. Step 4: Simplify right side
    578,222.52x = 255,406,534,215.12
  5. Step 5: Solve for x
    x = 255,406,534,215.12/578,222.52
  6. Step 6: Final answer
    x = 441,709.77

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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.