Home / 651,681.20-899,344.68-379,924.04

Finding the Fourth Proportional to 651,681.20, 899,344.68 and 379,924.04

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Solution

The fourth proportional to 651,681.20, 899,344.68 and 379,924.04 is: 524,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,681.20 : 899,344.68 = 379,924.04 : x
  2. Step 2: Convert to fraction form
    651,681.20/899,344.68 = 379,924.04/x
  3. Step 3: Cross multiply
    651,681.20x = 899,344.68 × 379,924.04
  4. Step 4: Simplify right side
    651,681.20x = 341,682,664,178.11
  5. Step 5: Solve for x
    x = 341,682,664,178.11/651,681.20
  6. Step 6: Final answer
    x = 524,309.53

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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.