Home / 801,783.28-1,201,830.10-296,020.40

Finding the Fourth Proportional to 801,783.28, 1,201,830.10 and 296,020.40

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Solution

The fourth proportional to 801,783.28, 1,201,830.10 and 296,020.40 is: 443,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,783.28 : 1,201,830.10 = 296,020.40 : x
  2. Step 2: Convert to fraction form
    801,783.28/1,201,830.10 = 296,020.40/x
  3. Step 3: Cross multiply
    801,783.28x = 1,201,830.10 × 296,020.40
  4. Step 4: Simplify right side
    801,783.28x = 355,766,226,934.04
  5. Step 5: Solve for x
    x = 355,766,226,934.04/801,783.28
  6. Step 6: Final answer
    x = 443,718.69

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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.