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Finding the Fourth Proportional to 605,713.44, 835,931.76 and 333,830.08

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Solution

The fourth proportional to 605,713.44, 835,931.76 and 333,830.08 is: 460,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,713.44 : 835,931.76 = 333,830.08 : x
  2. Step 2: Convert to fraction form
    605,713.44/835,931.76 = 333,830.08/x
  3. Step 3: Cross multiply
    605,713.44x = 835,931.76 × 333,830.08
  4. Step 4: Simplify right side
    605,713.44x = 279,059,166,315.34
  5. Step 5: Solve for x
    x = 279,059,166,315.34/605,713.44
  6. Step 6: Final answer
    x = 460,711.53

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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.