Home / 831,369.00-1,147,675.44-487,157.16

Finding the Fourth Proportional to 831,369.00, 1,147,675.44 and 487,157.16

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Solution

The fourth proportional to 831,369.00, 1,147,675.44 and 487,157.16 is: 672,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,369.00 : 1,147,675.44 = 487,157.16 : x
  2. Step 2: Convert to fraction form
    831,369.00/1,147,675.44 = 487,157.16/x
  3. Step 3: Cross multiply
    831,369.00x = 1,147,675.44 × 487,157.16
  4. Step 4: Simplify right side
    831,369.00x = 559,098,302,344.04
  5. Step 5: Solve for x
    x = 559,098,302,344.04/831,369.00
  6. Step 6: Final answer
    x = 672,503.19

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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.