Home / 923,955.29-1,385,982.62-292,918.31

Finding the Fourth Proportional to 923,955.29, 1,385,982.62 and 292,918.31

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Solution

The fourth proportional to 923,955.29, 1,385,982.62 and 292,918.31 is: 439,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,955.29 : 1,385,982.62 = 292,918.31 : x
  2. Step 2: Convert to fraction form
    923,955.29/1,385,982.62 = 292,918.31/x
  3. Step 3: Cross multiply
    923,955.29x = 1,385,982.62 × 292,918.31
  4. Step 4: Simplify right side
    923,955.29x = 405,979,686,739.77
  5. Step 5: Solve for x
    x = 405,979,686,739.77/923,955.29
  6. Step 6: Final answer
    x = 439,393.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.