Home / 831,003.40-1,246,505.10-514,433.80

Finding the Fourth Proportional to 831,003.40, 1,246,505.10 and 514,433.80

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Solution

The fourth proportional to 831,003.40, 1,246,505.10 and 514,433.80 is: 771,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,003.40 : 1,246,505.10 = 514,433.80 : x
  2. Step 2: Convert to fraction form
    831,003.40/1,246,505.10 = 514,433.80/x
  3. Step 3: Cross multiply
    831,003.40x = 1,246,505.10 × 514,433.80
  4. Step 4: Simplify right side
    831,003.40x = 641,244,355,312.38
  5. Step 5: Solve for x
    x = 641,244,355,312.38/831,003.40
  6. Step 6: Final answer
    x = 771,650.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.