Home / 758,354.34-1,046,535.21-418,828.26

Finding the Fourth Proportional to 758,354.34, 1,046,535.21 and 418,828.26

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Solution

The fourth proportional to 758,354.34, 1,046,535.21 and 418,828.26 is: 577,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,354.34 : 1,046,535.21 = 418,828.26 : x
  2. Step 2: Convert to fraction form
    758,354.34/1,046,535.21 = 418,828.26/x
  3. Step 3: Cross multiply
    758,354.34x = 1,046,535.21 × 418,828.26
  4. Step 4: Simplify right side
    758,354.34x = 438,318,521,033.04
  5. Step 5: Solve for x
    x = 438,318,521,033.04/758,354.34
  6. Step 6: Final answer
    x = 577,986.43

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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.