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Finding the Fourth Proportional to 440,409.12, 607,807.25 and 246,849.71

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Solution

The fourth proportional to 440,409.12, 607,807.25 and 246,849.71 is: 340,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,409.12 : 607,807.25 = 246,849.71 : x
  2. Step 2: Convert to fraction form
    440,409.12/607,807.25 = 246,849.71/x
  3. Step 3: Cross multiply
    440,409.12x = 607,807.25 × 246,849.71
  4. Step 4: Simplify right side
    440,409.12x = 150,037,043,398.40
  5. Step 5: Solve for x
    x = 150,037,043,398.40/440,409.12
  6. Step 6: Final answer
    x = 340,676.51

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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.