Home / 758,418.96-1,046,528.64-418,866.96

Finding the Fourth Proportional to 758,418.96, 1,046,528.64 and 418,866.96

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Solution

The fourth proportional to 758,418.96, 1,046,528.64 and 418,866.96 is: 577,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,418.96 : 1,046,528.64 = 418,866.96 : x
  2. Step 2: Convert to fraction form
    758,418.96/1,046,528.64 = 418,866.96/x
  3. Step 3: Cross multiply
    758,418.96x = 1,046,528.64 × 418,866.96
  4. Step 4: Simplify right side
    758,418.96x = 438,356,269,989.73
  5. Step 5: Solve for x
    x = 438,356,269,989.73/758,418.96
  6. Step 6: Final answer
    x = 577,986.96

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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.