Home / 831,472.20-1,147,403.70-525,713.16

Finding the Fourth Proportional to 831,472.20, 1,147,403.70 and 525,713.16

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Solution

The fourth proportional to 831,472.20, 1,147,403.70 and 525,713.16 is: 725,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,472.20 : 1,147,403.70 = 525,713.16 : x
  2. Step 2: Convert to fraction form
    831,472.20/1,147,403.70 = 525,713.16/x
  3. Step 3: Cross multiply
    831,472.20x = 1,147,403.70 × 525,713.16
  4. Step 4: Simplify right side
    831,472.20x = 603,205,224,922.69
  5. Step 5: Solve for x
    x = 603,205,224,922.69/831,472.20
  6. Step 6: Final answer
    x = 725,466.50

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