Home / 778,345.80-1,167,422.04-209,771.37

Finding the Fourth Proportional to 778,345.80, 1,167,422.04 and 209,771.37

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Solution

The fourth proportional to 778,345.80, 1,167,422.04 and 209,771.37 is: 314,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,345.80 : 1,167,422.04 = 209,771.37 : x
  2. Step 2: Convert to fraction form
    778,345.80/1,167,422.04 = 209,771.37/x
  3. Step 3: Cross multiply
    778,345.80x = 1,167,422.04 × 209,771.37
  4. Step 4: Simplify right side
    778,345.80x = 244,891,720,699.00
  5. Step 5: Solve for x
    x = 244,891,720,699.00/778,345.80
  6. Step 6: Final answer
    x = 314,631.00

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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.