Home / 739,369.12-1,020,324.24-399,832.48

Finding the Fourth Proportional to 739,369.12, 1,020,324.24 and 399,832.48

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Solution

The fourth proportional to 739,369.12, 1,020,324.24 and 399,832.48 is: 551,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,369.12 : 1,020,324.24 = 399,832.48 : x
  2. Step 2: Convert to fraction form
    739,369.12/1,020,324.24 = 399,832.48/x
  3. Step 3: Cross multiply
    739,369.12x = 1,020,324.24 × 399,832.48
  4. Step 4: Simplify right side
    739,369.12x = 407,958,771,283.32
  5. Step 5: Solve for x
    x = 407,958,771,283.32/739,369.12
  6. Step 6: Final answer
    x = 551,766.04

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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.