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Finding the Fourth Proportional to 444,678.76, 613,717.88 and 272,699.56

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Solution

The fourth proportional to 444,678.76, 613,717.88 and 272,699.56 is: 376,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,678.76 : 613,717.88 = 272,699.56 : x
  2. Step 2: Convert to fraction form
    444,678.76/613,717.88 = 272,699.56/x
  3. Step 3: Cross multiply
    444,678.76x = 613,717.88 × 272,699.56
  4. Step 4: Simplify right side
    444,678.76x = 167,360,595,840.13
  5. Step 5: Solve for x
    x = 167,360,595,840.13/444,678.76
  6. Step 6: Final answer
    x = 376,362.92

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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.