Home / 434,739.20-652,108.80-299,436.80

Finding the Fourth Proportional to 434,739.20, 652,108.80 and 299,436.80

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Solution

The fourth proportional to 434,739.20, 652,108.80 and 299,436.80 is: 449,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,739.20 : 652,108.80 = 299,436.80 : x
  2. Step 2: Convert to fraction form
    434,739.20/652,108.80 = 299,436.80/x
  3. Step 3: Cross multiply
    434,739.20x = 652,108.80 × 299,436.80
  4. Step 4: Simplify right side
    434,739.20x = 195,265,372,323.84
  5. Step 5: Solve for x
    x = 195,265,372,323.84/434,739.20
  6. Step 6: Final answer
    x = 449,155.20

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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.