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Finding the Fourth Proportional to 554,239.48, 764,850.15 and 299,590.67

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Solution

The fourth proportional to 554,239.48, 764,850.15 and 299,590.67 is: 413,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,239.48 : 764,850.15 = 299,590.67 : x
  2. Step 2: Convert to fraction form
    554,239.48/764,850.15 = 299,590.67/x
  3. Step 3: Cross multiply
    554,239.48x = 764,850.15 × 299,590.67
  4. Step 4: Simplify right side
    554,239.48x = 229,141,968,888.10
  5. Step 5: Solve for x
    x = 229,141,968,888.10/554,239.48
  6. Step 6: Final answer
    x = 413,434.94

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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.