Home / 723,899.70-1,085,979.15-303,218.10

Finding the Fourth Proportional to 723,899.70, 1,085,979.15 and 303,218.10

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Solution

The fourth proportional to 723,899.70, 1,085,979.15 and 303,218.10 is: 454,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,899.70 : 1,085,979.15 = 303,218.10 : x
  2. Step 2: Convert to fraction form
    723,899.70/1,085,979.15 = 303,218.10/x
  3. Step 3: Cross multiply
    723,899.70x = 1,085,979.15 × 303,218.10
  4. Step 4: Simplify right side
    723,899.70x = 329,288,534,502.62
  5. Step 5: Solve for x
    x = 329,288,534,502.62/723,899.70
  6. Step 6: Final answer
    x = 454,881.44

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1.5x scale

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.