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Finding the Fourth Proportional to 579,732.66, 800,007.03 and 350,424.36

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Solution

The fourth proportional to 579,732.66, 800,007.03 and 350,424.36 is: 483,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,732.66 : 800,007.03 = 350,424.36 : x
  2. Step 2: Convert to fraction form
    579,732.66/800,007.03 = 350,424.36/x
  3. Step 3: Cross multiply
    579,732.66x = 800,007.03 × 350,424.36
  4. Step 4: Simplify right side
    579,732.66x = 280,341,951,483.25
  5. Step 5: Solve for x
    x = 280,341,951,483.25/579,732.66
  6. Step 6: Final answer
    x = 483,571.09

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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.