Home / 831,020.72-1,146,808.58-449,047.49

Finding the Fourth Proportional to 831,020.72, 1,146,808.58 and 449,047.49

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Solution

The fourth proportional to 831,020.72, 1,146,808.58 and 449,047.49 is: 619,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,020.72 : 1,146,808.58 = 449,047.49 : x
  2. Step 2: Convert to fraction form
    831,020.72/1,146,808.58 = 449,047.49/x
  3. Step 3: Cross multiply
    831,020.72x = 1,146,808.58 × 449,047.49
  4. Step 4: Simplify right side
    831,020.72x = 514,971,506,380.18
  5. Step 5: Solve for x
    x = 514,971,506,380.18/831,020.72
  6. Step 6: Final answer
    x = 619,685.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.