Home / 628,190.34-942,390.58-493,248.94

Finding the Fourth Proportional to 628,190.34, 942,390.58 and 493,248.94

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Solution

The fourth proportional to 628,190.34, 942,390.58 and 493,248.94 is: 739,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,190.34 : 942,390.58 = 493,248.94 : x
  2. Step 2: Convert to fraction form
    628,190.34/942,390.58 = 493,248.94/x
  3. Step 3: Cross multiply
    628,190.34x = 942,390.58 × 493,248.94
  4. Step 4: Simplify right side
    628,190.34x = 464,833,154,650.99
  5. Step 5: Solve for x
    x = 464,833,154,650.99/628,190.34
  6. Step 6: Final answer
    x = 739,955.91

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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.