Home / 448,523.86-672,785.78-307,856.02

Finding the Fourth Proportional to 448,523.86, 672,785.78 and 307,856.02

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Solution

The fourth proportional to 448,523.86, 672,785.78 and 307,856.02 is: 461,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,523.86 : 672,785.78 = 307,856.02 : x
  2. Step 2: Convert to fraction form
    448,523.86/672,785.78 = 307,856.02/x
  3. Step 3: Cross multiply
    448,523.86x = 672,785.78 × 307,856.02
  4. Step 4: Simplify right side
    448,523.86x = 207,121,152,543.40
  5. Step 5: Solve for x
    x = 207,121,152,543.40/448,523.86
  6. Step 6: Final answer
    x = 461,784.02

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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.