Home / 831,717.30-1,147,776.76-459,192.22

Finding the Fourth Proportional to 831,717.30, 1,147,776.76 and 459,192.22

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Solution

The fourth proportional to 831,717.30, 1,147,776.76 and 459,192.22 is: 633,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,717.30 : 1,147,776.76 = 459,192.22 : x
  2. Step 2: Convert to fraction form
    831,717.30/1,147,776.76 = 459,192.22/x
  3. Step 3: Cross multiply
    831,717.30x = 1,147,776.76 × 459,192.22
  4. Step 4: Simplify right side
    831,717.30x = 527,050,158,488.81
  5. Step 5: Solve for x
    x = 527,050,158,488.81/831,717.30
  6. Step 6: Final answer
    x = 633,689.07

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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.