Home / 831,733.20-1,147,969.68-525,614.76

Finding the Fourth Proportional to 831,733.20, 1,147,969.68 and 525,614.76

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Solution

The fourth proportional to 831,733.20, 1,147,969.68 and 525,614.76 is: 725,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,733.20 : 1,147,969.68 = 525,614.76 : x
  2. Step 2: Convert to fraction form
    831,733.20/1,147,969.68 = 525,614.76/x
  3. Step 3: Cross multiply
    831,733.20x = 1,147,969.68 × 525,614.76
  4. Step 4: Simplify right side
    831,733.20x = 603,389,807,840.48
  5. Step 5: Solve for x
    x = 603,389,807,840.48/831,733.20
  6. Step 6: Final answer
    x = 725,460.77

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Why These Related Problems?

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