Home / 513,228.08-708,250.50-283,795.38

Finding the Fourth Proportional to 513,228.08, 708,250.50 and 283,795.38

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Solution

The fourth proportional to 513,228.08, 708,250.50 and 283,795.38 is: 391,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,228.08 : 708,250.50 = 283,795.38 : x
  2. Step 2: Convert to fraction form
    513,228.08/708,250.50 = 283,795.38/x
  3. Step 3: Cross multiply
    513,228.08x = 708,250.50 × 283,795.38
  4. Step 4: Simplify right side
    513,228.08x = 200,998,219,782.69
  5. Step 5: Solve for x
    x = 200,998,219,782.69/513,228.08
  6. Step 6: Final answer
    x = 391,635.27

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1.5x scale

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.