Home / 669,919.91-1,005,027.48-370,836.72

Finding the Fourth Proportional to 669,919.91, 1,005,027.48 and 370,836.72

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Solution

The fourth proportional to 669,919.91, 1,005,027.48 and 370,836.72 is: 556,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,919.91 : 1,005,027.48 = 370,836.72 : x
  2. Step 2: Convert to fraction form
    669,919.91/1,005,027.48 = 370,836.72/x
  3. Step 3: Cross multiply
    669,919.91x = 1,005,027.48 × 370,836.72
  4. Step 4: Simplify right side
    669,919.91x = 372,701,094,193.07
  5. Step 5: Solve for x
    x = 372,701,094,193.07/669,919.91
  6. Step 6: Final answer
    x = 556,336.80

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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.