Home / 428,838.84-591,868.44-237,913.74

Finding the Fourth Proportional to 428,838.84, 591,868.44 and 237,913.74

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Solution

The fourth proportional to 428,838.84, 591,868.44 and 237,913.74 is: 328,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,838.84 : 591,868.44 = 237,913.74 : x
  2. Step 2: Convert to fraction form
    428,838.84/591,868.44 = 237,913.74/x
  3. Step 3: Cross multiply
    428,838.84x = 591,868.44 × 237,913.74
  4. Step 4: Simplify right side
    428,838.84x = 140,813,634,148.37
  5. Step 5: Solve for x
    x = 140,813,634,148.37/428,838.84
  6. Step 6: Final answer
    x = 328,360.26

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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.