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Finding the Fourth Proportional to 552,004.80, 828,007.20 and 412,036.80

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Solution

The fourth proportional to 552,004.80, 828,007.20 and 412,036.80 is: 618,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,004.80 : 828,007.20 = 412,036.80 : x
  2. Step 2: Convert to fraction form
    552,004.80/828,007.20 = 412,036.80/x
  3. Step 3: Cross multiply
    552,004.80x = 828,007.20 × 412,036.80
  4. Step 4: Simplify right side
    552,004.80x = 341,169,437,064.96
  5. Step 5: Solve for x
    x = 341,169,437,064.96/552,004.80
  6. Step 6: Final answer
    x = 618,055.20

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Similar ratio
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1.5x scale

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.