Home / 1,327,602.92-1,991,404.80-330,330.92

Finding the Fourth Proportional to 1,327,602.92, 1,991,404.80 and 330,330.92

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Solution

The fourth proportional to 1,327,602.92, 1,991,404.80 and 330,330.92 is: 495,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,602.92 : 1,991,404.80 = 330,330.92 : x
  2. Step 2: Convert to fraction form
    1,327,602.92/1,991,404.80 = 330,330.92/x
  3. Step 3: Cross multiply
    1,327,602.92x = 1,991,404.80 × 330,330.92
  4. Step 4: Simplify right side
    1,327,602.92x = 657,822,579,676.42
  5. Step 5: Solve for x
    x = 657,822,579,676.42/1,327,602.92
  6. Step 6: Final answer
    x = 495,496.48

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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.