Home / 748,516.56-1,032,940.80-408,977.52

Finding the Fourth Proportional to 748,516.56, 1,032,940.80 and 408,977.52

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Solution

The fourth proportional to 748,516.56, 1,032,940.80 and 408,977.52 is: 564,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,516.56 : 1,032,940.80 = 408,977.52 : x
  2. Step 2: Convert to fraction form
    748,516.56/1,032,940.80 = 408,977.52/x
  3. Step 3: Cross multiply
    748,516.56x = 1,032,940.80 × 408,977.52
  4. Step 4: Simplify right side
    748,516.56x = 422,449,566,690.82
  5. Step 5: Solve for x
    x = 422,449,566,690.82/748,516.56
  6. Step 6: Final answer
    x = 564,382.39

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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.