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Finding the Fourth Proportional to 524,380.16, 723,649.60 and 298,027.20

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Solution

The fourth proportional to 524,380.16, 723,649.60 and 298,027.20 is: 411,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,380.16 : 723,649.60 = 298,027.20 : x
  2. Step 2: Convert to fraction form
    524,380.16/723,649.60 = 298,027.20/x
  3. Step 3: Cross multiply
    524,380.16x = 723,649.60 × 298,027.20
  4. Step 4: Simplify right side
    524,380.16x = 215,667,264,069.12
  5. Step 5: Solve for x
    x = 215,667,264,069.12/524,380.16
  6. Step 6: Final answer
    x = 411,280.37

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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.