Home / 890,963.52-1,229,554.08-509,052.48

Finding the Fourth Proportional to 890,963.52, 1,229,554.08 and 509,052.48

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Solution

The fourth proportional to 890,963.52, 1,229,554.08 and 509,052.48 is: 702,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,963.52 : 1,229,554.08 = 509,052.48 : x
  2. Step 2: Convert to fraction form
    890,963.52/1,229,554.08 = 509,052.48/x
  3. Step 3: Cross multiply
    890,963.52x = 1,229,554.08 × 509,052.48
  4. Step 4: Simplify right side
    890,963.52x = 625,907,553,718.12
  5. Step 5: Solve for x
    x = 625,907,553,718.12/890,963.52
  6. Step 6: Final answer
    x = 702,506.38

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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.