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Finding the Fourth Proportional to 440,457.77, 607,815.47 and 239,249.45

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Solution

The fourth proportional to 440,457.77, 607,815.47 and 239,249.45 is: 330,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,457.77 : 607,815.47 = 239,249.45 : x
  2. Step 2: Convert to fraction form
    440,457.77/607,815.47 = 239,249.45/x
  3. Step 3: Cross multiply
    440,457.77x = 607,815.47 × 239,249.45
  4. Step 4: Simplify right side
    440,457.77x = 145,419,512,663.67
  5. Step 5: Solve for x
    x = 145,419,512,663.67/440,457.77
  6. Step 6: Final answer
    x = 330,155.41

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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.