Home / 608,426.48-839,887.08-379,097.07

Finding the Fourth Proportional to 608,426.48, 839,887.08 and 379,097.07

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Solution

The fourth proportional to 608,426.48, 839,887.08 and 379,097.07 is: 523,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,426.48 : 839,887.08 = 379,097.07 : x
  2. Step 2: Convert to fraction form
    608,426.48/839,887.08 = 379,097.07/x
  3. Step 3: Cross multiply
    608,426.48x = 839,887.08 × 379,097.07
  4. Step 4: Simplify right side
    608,426.48x = 318,398,729,161.25
  5. Step 5: Solve for x
    x = 318,398,729,161.25/608,426.48
  6. Step 6: Final answer
    x = 523,315.04

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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.