Home / 748,463.63-1,032,879.80-408,934.31

Finding the Fourth Proportional to 748,463.63, 1,032,879.80 and 408,934.31

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Solution

The fourth proportional to 748,463.63, 1,032,879.80 and 408,934.31 is: 564,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,463.63 : 1,032,879.80 = 408,934.31 : x
  2. Step 2: Convert to fraction form
    748,463.63/1,032,879.80 = 408,934.31/x
  3. Step 3: Cross multiply
    748,463.63x = 1,032,879.80 × 408,934.31
  4. Step 4: Simplify right side
    748,463.63x = 422,379,984,183.88
  5. Step 5: Solve for x
    x = 422,379,984,183.88/748,463.63
  6. Step 6: Final answer
    x = 564,329.34

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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.