Home / 513,166.08-708,156.96-286,832.64

Finding the Fourth Proportional to 513,166.08, 708,156.96 and 286,832.64

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Solution

The fourth proportional to 513,166.08, 708,156.96 and 286,832.64 is: 395,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,166.08 : 708,156.96 = 286,832.64 : x
  2. Step 2: Convert to fraction form
    513,166.08/708,156.96 = 286,832.64/x
  3. Step 3: Cross multiply
    513,166.08x = 708,156.96 × 286,832.64
  4. Step 4: Simplify right side
    513,166.08x = 203,122,530,371.17
  5. Step 5: Solve for x
    x = 203,122,530,371.17/513,166.08
  6. Step 6: Final answer
    x = 395,822.21

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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.