Home / 862,930.86-1,294,979.49-301,970.22

Finding the Fourth Proportional to 862,930.86, 1,294,979.49 and 301,970.22

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Solution

The fourth proportional to 862,930.86, 1,294,979.49 and 301,970.22 is: 453,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,930.86 : 1,294,979.49 = 301,970.22 : x
  2. Step 2: Convert to fraction form
    862,930.86/1,294,979.49 = 301,970.22/x
  3. Step 3: Cross multiply
    862,930.86x = 1,294,979.49 × 301,970.22
  4. Step 4: Simplify right side
    862,930.86x = 391,045,241,490.79
  5. Step 5: Solve for x
    x = 391,045,241,490.79/862,930.86
  6. Step 6: Final answer
    x = 453,159.41

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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.