Home / 892,631.58-1,231,290.63-529,816.38

Finding the Fourth Proportional to 892,631.58, 1,231,290.63 and 529,816.38

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Solution

The fourth proportional to 892,631.58, 1,231,290.63 and 529,816.38 is: 730,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,631.58 : 1,231,290.63 = 529,816.38 : x
  2. Step 2: Convert to fraction form
    892,631.58/1,231,290.63 = 529,816.38/x
  3. Step 3: Cross multiply
    892,631.58x = 1,231,290.63 × 529,816.38
  4. Step 4: Simplify right side
    892,631.58x = 652,357,944,314.52
  5. Step 5: Solve for x
    x = 652,357,944,314.52/892,631.58
  6. Step 6: Final answer
    x = 730,825.53

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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.