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Finding the Fourth Proportional to 562,028.04, 775,596.96 and 303,903.18

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Solution

The fourth proportional to 562,028.04, 775,596.96 and 303,903.18 is: 419,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,028.04 : 775,596.96 = 303,903.18 : x
  2. Step 2: Convert to fraction form
    562,028.04/775,596.96 = 303,903.18/x
  3. Step 3: Cross multiply
    562,028.04x = 775,596.96 × 303,903.18
  4. Step 4: Simplify right side
    562,028.04x = 235,706,382,542.33
  5. Step 5: Solve for x
    x = 235,706,382,542.33/562,028.04
  6. Step 6: Final answer
    x = 419,385.45

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Similar ratio
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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.