Home / 689,199.75-1,033,799.85-284,386.05

Finding the Fourth Proportional to 689,199.75, 1,033,799.85 and 284,386.05

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Solution

The fourth proportional to 689,199.75, 1,033,799.85 and 284,386.05 is: 426,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,199.75 : 1,033,799.85 = 284,386.05 : x
  2. Step 2: Convert to fraction form
    689,199.75/1,033,799.85 = 284,386.05/x
  3. Step 3: Cross multiply
    689,199.75x = 1,033,799.85 × 284,386.05
  4. Step 4: Simplify right side
    689,199.75x = 293,998,255,832.09
  5. Step 5: Solve for x
    x = 293,998,255,832.09/689,199.75
  6. Step 6: Final answer
    x = 426,579.17

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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.