Home / 843,274.68-1,163,782.20-480,707.16

Finding the Fourth Proportional to 843,274.68, 1,163,782.20 and 480,707.16

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Solution

The fourth proportional to 843,274.68, 1,163,782.20 and 480,707.16 is: 663,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,274.68 : 1,163,782.20 = 480,707.16 : x
  2. Step 2: Convert to fraction form
    843,274.68/1,163,782.20 = 480,707.16/x
  3. Step 3: Cross multiply
    843,274.68x = 1,163,782.20 × 480,707.16
  4. Step 4: Simplify right side
    843,274.68x = 559,438,436,220.55
  5. Step 5: Solve for x
    x = 559,438,436,220.55/843,274.68
  6. Step 6: Final answer
    x = 663,411.87

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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.