Home / 923,948.79-1,385,972.87-292,911.81

Finding the Fourth Proportional to 923,948.79, 1,385,972.87 and 292,911.81

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Solution

The fourth proportional to 923,948.79, 1,385,972.87 and 292,911.81 is: 439,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,948.79 : 1,385,972.87 = 292,911.81 : x
  2. Step 2: Convert to fraction form
    923,948.79/1,385,972.87 = 292,911.81/x
  3. Step 3: Cross multiply
    923,948.79x = 1,385,972.87 × 292,911.81
  4. Step 4: Simplify right side
    923,948.79x = 405,967,820,498.04
  5. Step 5: Solve for x
    x = 405,967,820,498.04/923,948.79
  6. Step 6: Final answer
    x = 439,383.46

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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.