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Finding the Fourth Proportional to 580,001.32, 799,940.10 and 479,224.36

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Solution

The fourth proportional to 580,001.32, 799,940.10 and 479,224.36 is: 660,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,001.32 : 799,940.10 = 479,224.36 : x
  2. Step 2: Convert to fraction form
    580,001.32/799,940.10 = 479,224.36/x
  3. Step 3: Cross multiply
    580,001.32x = 799,940.10 × 479,224.36
  4. Step 4: Simplify right side
    580,001.32x = 383,350,782,460.84
  5. Step 5: Solve for x
    x = 383,350,782,460.84/580,001.32
  6. Step 6: Final answer
    x = 660,948.12

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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.