Home / 842,877.04-1,264,105.09-330,646.29

Finding the Fourth Proportional to 842,877.04, 1,264,105.09 and 330,646.29

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Solution

The fourth proportional to 842,877.04, 1,264,105.09 and 330,646.29 is: 495,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,877.04 : 1,264,105.09 = 330,646.29 : x
  2. Step 2: Convert to fraction form
    842,877.04/1,264,105.09 = 330,646.29/x
  3. Step 3: Cross multiply
    842,877.04x = 1,264,105.09 × 330,646.29
  4. Step 4: Simplify right side
    842,877.04x = 417,971,658,178.62
  5. Step 5: Solve for x
    x = 417,971,658,178.62/842,877.04
  6. Step 6: Final answer
    x = 495,886.87

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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.