Home / 831,267.55-1,247,368.45-452,214.81

Finding the Fourth Proportional to 831,267.55, 1,247,368.45 and 452,214.81

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Solution

The fourth proportional to 831,267.55, 1,247,368.45 and 452,214.81 is: 678,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,267.55 : 1,247,368.45 = 452,214.81 : x
  2. Step 2: Convert to fraction form
    831,267.55/1,247,368.45 = 452,214.81/x
  3. Step 3: Cross multiply
    831,267.55x = 1,247,368.45 × 452,214.81
  4. Step 4: Simplify right side
    831,267.55x = 564,078,478,118.83
  5. Step 5: Solve for x
    x = 564,078,478,118.83/831,267.55
  6. Step 6: Final answer
    x = 678,576.33

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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.