Home / 987,401.34-1,362,605.96-534,692.34

Finding the Fourth Proportional to 987,401.34, 1,362,605.96 and 534,692.34

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Solution

The fourth proportional to 987,401.34, 1,362,605.96 and 534,692.34 is: 737,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,401.34 : 1,362,605.96 = 534,692.34 : x
  2. Step 2: Convert to fraction form
    987,401.34/1,362,605.96 = 534,692.34/x
  3. Step 3: Cross multiply
    987,401.34x = 1,362,605.96 × 534,692.34
  4. Step 4: Simplify right side
    987,401.34x = 728,574,970,587.08
  5. Step 5: Solve for x
    x = 728,574,970,587.08/987,401.34
  6. Step 6: Final answer
    x = 737,871.16

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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.