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Finding the Fourth Proportional to 519,525.72, 716,949.96 and 298,796.28

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Solution

The fourth proportional to 519,525.72, 716,949.96 and 298,796.28 is: 412,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,525.72 : 716,949.96 = 298,796.28 : x
  2. Step 2: Convert to fraction form
    519,525.72/716,949.96 = 298,796.28/x
  3. Step 3: Cross multiply
    519,525.72x = 716,949.96 × 298,796.28
  4. Step 4: Simplify right side
    519,525.72x = 214,221,980,994.15
  5. Step 5: Solve for x
    x = 214,221,980,994.15/519,525.72
  6. Step 6: Final answer
    x = 412,341.44

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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.