Home / 831,463.79-1,247,663.46-452,411.87

Finding the Fourth Proportional to 831,463.79, 1,247,663.46 and 452,411.87

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Solution

The fourth proportional to 831,463.79, 1,247,663.46 and 452,411.87 is: 678,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,463.79 : 1,247,663.46 = 452,411.87 : x
  2. Step 2: Convert to fraction form
    831,463.79/1,247,663.46 = 452,411.87/x
  3. Step 3: Cross multiply
    831,463.79x = 1,247,663.46 × 452,411.87
  4. Step 4: Simplify right side
    831,463.79x = 564,457,759,069.27
  5. Step 5: Solve for x
    x = 564,457,759,069.27/831,463.79
  6. Step 6: Final answer
    x = 678,872.33

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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.