Home / 667,295.71-1,000,944.02-384,832.81

Finding the Fourth Proportional to 667,295.71, 1,000,944.02 and 384,832.81

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Solution

The fourth proportional to 667,295.71, 1,000,944.02 and 384,832.81 is: 577,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,295.71 : 1,000,944.02 = 384,832.81 : x
  2. Step 2: Convert to fraction form
    667,295.71/1,000,944.02 = 384,832.81/x
  3. Step 3: Cross multiply
    667,295.71x = 1,000,944.02 × 384,832.81
  4. Step 4: Simplify right side
    667,295.71x = 385,196,099,869.30
  5. Step 5: Solve for x
    x = 385,196,099,869.30/667,295.71
  6. Step 6: Final answer
    x = 577,249.48

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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.