Home / 831,267.98-1,247,369.10-452,215.25

Finding the Fourth Proportional to 831,267.98, 1,247,369.10 and 452,215.25

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Solution

The fourth proportional to 831,267.98, 1,247,369.10 and 452,215.25 is: 678,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,267.98 : 1,247,369.10 = 452,215.25 : x
  2. Step 2: Convert to fraction form
    831,267.98/1,247,369.10 = 452,215.25/x
  3. Step 3: Cross multiply
    831,267.98x = 1,247,369.10 × 452,215.25
  4. Step 4: Simplify right side
    831,267.98x = 564,079,323,161.93
  5. Step 5: Solve for x
    x = 564,079,323,161.93/831,267.98
  6. Step 6: Final answer
    x = 678,576.99

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1.5x scale

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.