Home / 981,667.08-1,472,502.65-298,560.06

Finding the Fourth Proportional to 981,667.08, 1,472,502.65 and 298,560.06

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Solution

The fourth proportional to 981,667.08, 1,472,502.65 and 298,560.06 is: 447,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,667.08 : 1,472,502.65 = 298,560.06 : x
  2. Step 2: Convert to fraction form
    981,667.08/1,472,502.65 = 298,560.06/x
  3. Step 3: Cross multiply
    981,667.08x = 1,472,502.65 × 298,560.06
  4. Step 4: Simplify right side
    981,667.08x = 439,630,478,041.36
  5. Step 5: Solve for x
    x = 439,630,478,041.36/981,667.08
  6. Step 6: Final answer
    x = 447,840.71

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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.