Home / 567,979.53-783,799.12-313,330.65

Finding the Fourth Proportional to 567,979.53, 783,799.12 and 313,330.65

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Solution

The fourth proportional to 567,979.53, 783,799.12 and 313,330.65 is: 432,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,979.53 : 783,799.12 = 313,330.65 : x
  2. Step 2: Convert to fraction form
    567,979.53/783,799.12 = 313,330.65/x
  3. Step 3: Cross multiply
    567,979.53x = 783,799.12 × 313,330.65
  4. Step 4: Simplify right side
    567,979.53x = 245,588,285,191.45
  5. Step 5: Solve for x
    x = 245,588,285,191.45/567,979.53
  6. Step 6: Final answer
    x = 432,389.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.