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Finding the Fourth Proportional to 580,339.77, 800,872.02 and 322,220.71

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Solution

The fourth proportional to 580,339.77, 800,872.02 and 322,220.71 is: 444,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,339.77 : 800,872.02 = 322,220.71 : x
  2. Step 2: Convert to fraction form
    580,339.77/800,872.02 = 322,220.71/x
  3. Step 3: Cross multiply
    580,339.77x = 800,872.02 × 322,220.71
  4. Step 4: Simplify right side
    580,339.77x = 258,057,550,903.53
  5. Step 5: Solve for x
    x = 258,057,550,903.53/580,339.77
  6. Step 6: Final answer
    x = 444,666.32

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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.