Home / 778,362.46-1,167,446.96-209,788.02

Finding the Fourth Proportional to 778,362.46, 1,167,446.96 and 209,788.02

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Solution

The fourth proportional to 778,362.46, 1,167,446.96 and 209,788.02 is: 314,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,362.46 : 1,167,446.96 = 209,788.02 : x
  2. Step 2: Convert to fraction form
    778,362.46/1,167,446.96 = 209,788.02/x
  3. Step 3: Cross multiply
    778,362.46x = 1,167,446.96 × 209,788.02
  4. Step 4: Simplify right side
    778,362.46x = 244,916,386,193.42
  5. Step 5: Solve for x
    x = 244,916,386,193.42/778,362.46
  6. Step 6: Final answer
    x = 314,655.96

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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.