Home / 831,126.32-1,147,132.64-525,008

Finding the Fourth Proportional to 831,126.32, 1,147,132.64 and 525,008

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Solution

The fourth proportional to 831,126.32, 1,147,132.64 and 525,008 is: 724,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,126.32 : 1,147,132.64 = 525,008 : x
  2. Step 2: Convert to fraction form
    831,126.32/1,147,132.64 = 525,008/x
  3. Step 3: Cross multiply
    831,126.32x = 1,147,132.64 × 525,008
  4. Step 4: Simplify right side
    831,126.32x = 602,253,813,061.12
  5. Step 5: Solve for x
    x = 602,253,813,061.12/831,126.32
  6. Step 6: Final answer
    x = 724,623.68

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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.