Home / 970,973.28-1,456,922.16-438,657.12

Finding the Fourth Proportional to 970,973.28, 1,456,922.16 and 438,657.12

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Solution

The fourth proportional to 970,973.28, 1,456,922.16 and 438,657.12 is: 658,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,973.28 : 1,456,922.16 = 438,657.12 : x
  2. Step 2: Convert to fraction form
    970,973.28/1,456,922.16 = 438,657.12/x
  3. Step 3: Cross multiply
    970,973.28x = 1,456,922.16 × 438,657.12
  4. Step 4: Simplify right side
    970,973.28x = 639,089,278,769.78
  5. Step 5: Solve for x
    x = 639,089,278,769.78/970,973.28
  6. Step 6: Final answer
    x = 658,194.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.