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Finding the Fourth Proportional to 581,072.30, 801,879.84 and 322,949.20

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Solution

The fourth proportional to 581,072.30, 801,879.84 and 322,949.20 is: 445,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,072.30 : 801,879.84 = 322,949.20 : x
  2. Step 2: Convert to fraction form
    581,072.30/801,879.84 = 322,949.20/x
  3. Step 3: Cross multiply
    581,072.30x = 801,879.84 × 322,949.20
  4. Step 4: Simplify right side
    581,072.30x = 258,966,452,824.13
  5. Step 5: Solve for x
    x = 258,966,452,824.13/581,072.30
  6. Step 6: Final answer
    x = 445,669.93

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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.