Home / 757,571.70-1,045,442.39-413,414.45

Finding the Fourth Proportional to 757,571.70, 1,045,442.39 and 413,414.45

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Solution

The fourth proportional to 757,571.70, 1,045,442.39 and 413,414.45 is: 570,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,571.70 : 1,045,442.39 = 413,414.45 : x
  2. Step 2: Convert to fraction form
    757,571.70/1,045,442.39 = 413,414.45/x
  3. Step 3: Cross multiply
    757,571.70x = 1,045,442.39 × 413,414.45
  4. Step 4: Simplify right side
    757,571.70x = 432,200,983,374.25
  5. Step 5: Solve for x
    x = 432,200,983,374.25/757,571.70
  6. Step 6: Final answer
    x = 570,508.35

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Double scale
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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.