Home / 801,038.08-1,201,545.45-201,995.20

Finding the Fourth Proportional to 801,038.08, 1,201,545.45 and 201,995.20

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Solution

The fourth proportional to 801,038.08, 1,201,545.45 and 201,995.20 is: 302,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,038.08 : 1,201,545.45 = 201,995.20 : x
  2. Step 2: Convert to fraction form
    801,038.08/1,201,545.45 = 201,995.20/x
  3. Step 3: Cross multiply
    801,038.08x = 1,201,545.45 × 201,995.20
  4. Step 4: Simplify right side
    801,038.08x = 242,706,413,481.84
  5. Step 5: Solve for x
    x = 242,706,413,481.84/801,038.08
  6. Step 6: Final answer
    x = 302,989.86

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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.