Home / 498,420.70-747,740.40-245,822.20

Finding the Fourth Proportional to 498,420.70, 747,740.40 and 245,822.20

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Solution

The fourth proportional to 498,420.70, 747,740.40 and 245,822.20 is: 368,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,420.70 : 747,740.40 = 245,822.20 : x
  2. Step 2: Convert to fraction form
    498,420.70/747,740.40 = 245,822.20/x
  3. Step 3: Cross multiply
    498,420.70x = 747,740.40 × 245,822.20
  4. Step 4: Simplify right side
    498,420.70x = 183,811,190,156.88
  5. Step 5: Solve for x
    x = 183,811,190,156.88/498,420.70
  6. Step 6: Final answer
    x = 368,787.23

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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.