Home / 513,373.71-708,171.30-298,490.02

Finding the Fourth Proportional to 513,373.71, 708,171.30 and 298,490.02

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Solution

The fourth proportional to 513,373.71, 708,171.30 and 298,490.02 is: 411,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,373.71 : 708,171.30 = 298,490.02 : x
  2. Step 2: Convert to fraction form
    513,373.71/708,171.30 = 298,490.02/x
  3. Step 3: Cross multiply
    513,373.71x = 708,171.30 × 298,490.02
  4. Step 4: Simplify right side
    513,373.71x = 211,382,065,500.43
  5. Step 5: Solve for x
    x = 211,382,065,500.43/513,373.71
  6. Step 6: Final answer
    x = 411,750.86

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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.