Home / 737,436.28-1,106,154.43-421,671.70

Finding the Fourth Proportional to 737,436.28, 1,106,154.43 and 421,671.70

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Solution

The fourth proportional to 737,436.28, 1,106,154.43 and 421,671.70 is: 632,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,436.28 : 1,106,154.43 = 421,671.70 : x
  2. Step 2: Convert to fraction form
    737,436.28/1,106,154.43 = 421,671.70/x
  3. Step 3: Cross multiply
    737,436.28x = 1,106,154.43 × 421,671.70
  4. Step 4: Simplify right side
    737,436.28x = 466,434,018,960.63
  5. Step 5: Solve for x
    x = 466,434,018,960.63/737,436.28
  6. Step 6: Final answer
    x = 632,507.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.