Home / 748,289.80-1,032,601.32-408,692.44

Finding the Fourth Proportional to 748,289.80, 1,032,601.32 and 408,692.44

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Solution

The fourth proportional to 748,289.80, 1,032,601.32 and 408,692.44 is: 563,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,289.80 : 1,032,601.32 = 408,692.44 : x
  2. Step 2: Convert to fraction form
    748,289.80/1,032,601.32 = 408,692.44/x
  3. Step 3: Cross multiply
    748,289.80x = 1,032,601.32 × 408,692.44
  4. Step 4: Simplify right side
    748,289.80x = 422,016,353,018.02
  5. Step 5: Solve for x
    x = 422,016,353,018.02/748,289.80
  6. Step 6: Final answer
    x = 563,974.48

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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.