Home / 923,980-1,275,092.40-500,044

Finding the Fourth Proportional to 923,980, 1,275,092.40 and 500,044

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Solution

The fourth proportional to 923,980, 1,275,092.40 and 500,044 is: 690,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,980 : 1,275,092.40 = 500,044 : x
  2. Step 2: Convert to fraction form
    923,980/1,275,092.40 = 500,044/x
  3. Step 3: Cross multiply
    923,980x = 1,275,092.40 × 500,044
  4. Step 4: Simplify right side
    923,980x = 637,602,304,065.60
  5. Step 5: Solve for x
    x = 637,602,304,065.60/923,980
  6. Step 6: Final answer
    x = 690,060.72

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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.