Home / 513,629.61-708,829.73-284,183.18

Finding the Fourth Proportional to 513,629.61, 708,829.73 and 284,183.18

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Solution

The fourth proportional to 513,629.61, 708,829.73 and 284,183.18 is: 392,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,629.61 : 708,829.73 = 284,183.18 : x
  2. Step 2: Convert to fraction form
    513,629.61/708,829.73 = 284,183.18/x
  3. Step 3: Cross multiply
    513,629.61x = 708,829.73 × 284,183.18
  4. Step 4: Simplify right side
    513,629.61x = 201,437,491,094.37
  5. Step 5: Solve for x
    x = 201,437,491,094.37/513,629.61
  6. Step 6: Final answer
    x = 392,184.35

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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.