Home / 513,555.40-708,884.58-352,942.12

Finding the Fourth Proportional to 513,555.40, 708,884.58 and 352,942.12

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Solution

The fourth proportional to 513,555.40, 708,884.58 and 352,942.12 is: 487,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,555.40 : 708,884.58 = 352,942.12 : x
  2. Step 2: Convert to fraction form
    513,555.40/708,884.58 = 352,942.12/x
  3. Step 3: Cross multiply
    513,555.40x = 708,884.58 × 352,942.12
  4. Step 4: Simplify right side
    513,555.40x = 250,195,226,500.51
  5. Step 5: Solve for x
    x = 250,195,226,500.51/513,555.40
  6. Step 6: Final answer
    x = 487,182.54

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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.