Home / 567,979.66-783,799.32-313,330.78

Finding the Fourth Proportional to 567,979.66, 783,799.32 and 313,330.78

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Solution

The fourth proportional to 567,979.66, 783,799.32 and 313,330.78 is: 432,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,979.66 : 783,799.32 = 313,330.78 : x
  2. Step 2: Convert to fraction form
    567,979.66/783,799.32 = 313,330.78/x
  3. Step 3: Cross multiply
    567,979.66x = 783,799.32 × 313,330.78
  4. Step 4: Simplify right side
    567,979.66x = 245,588,452,691.32
  5. Step 5: Solve for x
    x = 245,588,452,691.32/567,979.66
  6. Step 6: Final answer
    x = 432,389.52

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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.