Home / 801,021.45-1,105,400.27-433,490.08

Finding the Fourth Proportional to 801,021.45, 1,105,400.27 and 433,490.08

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Solution

The fourth proportional to 801,021.45, 1,105,400.27 and 433,490.08 is: 598,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,021.45 : 1,105,400.27 = 433,490.08 : x
  2. Step 2: Convert to fraction form
    801,021.45/1,105,400.27 = 433,490.08/x
  3. Step 3: Cross multiply
    801,021.45x = 1,105,400.27 × 433,490.08
  4. Step 4: Simplify right side
    801,021.45x = 479,180,049,428.79
  5. Step 5: Solve for x
    x = 479,180,049,428.79/801,021.45
  6. Step 6: Final answer
    x = 598,211.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.