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Finding the Fourth Proportional to 580,398.76, 800,953.68 and 322,279.36

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Solution

The fourth proportional to 580,398.76, 800,953.68 and 322,279.36 is: 444,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,398.76 : 800,953.68 = 322,279.36 : x
  2. Step 2: Convert to fraction form
    580,398.76/800,953.68 = 322,279.36/x
  3. Step 3: Cross multiply
    580,398.76x = 800,953.68 × 322,279.36
  4. Step 4: Simplify right side
    580,398.76x = 258,130,839,380.05
  5. Step 5: Solve for x
    x = 258,130,839,380.05/580,398.76
  6. Step 6: Final answer
    x = 444,747.40

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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.