Home / 428,838.49-591,867.98-237,913.39

Finding the Fourth Proportional to 428,838.49, 591,867.98 and 237,913.39

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Solution

The fourth proportional to 428,838.49, 591,867.98 and 237,913.39 is: 328,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,838.49 : 591,867.98 = 237,913.39 : x
  2. Step 2: Convert to fraction form
    428,838.49/591,867.98 = 237,913.39/x
  3. Step 3: Cross multiply
    428,838.49x = 591,867.98 × 237,913.39
  4. Step 4: Simplify right side
    428,838.49x = 140,813,316,364.69
  5. Step 5: Solve for x
    x = 140,813,316,364.69/428,838.49
  6. Step 6: Final answer
    x = 328,359.79

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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.