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Finding the Fourth Proportional to 551,086.82, 760,533.86 and 367,009.76

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Solution

The fourth proportional to 551,086.82, 760,533.86 and 367,009.76 is: 506,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,086.82 : 760,533.86 = 367,009.76 : x
  2. Step 2: Convert to fraction form
    551,086.82/760,533.86 = 367,009.76/x
  3. Step 3: Cross multiply
    551,086.82x = 760,533.86 × 367,009.76
  4. Step 4: Simplify right side
    551,086.82x = 279,123,349,430.47
  5. Step 5: Solve for x
    x = 279,123,349,430.47/551,086.82
  6. Step 6: Final answer
    x = 506,496.14

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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.