Home / 447,999.20-618,238.62-246,795.20

Finding the Fourth Proportional to 447,999.20, 618,238.62 and 246,795.20

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Solution

The fourth proportional to 447,999.20, 618,238.62 and 246,795.20 is: 340,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,999.20 : 618,238.62 = 246,795.20 : x
  2. Step 2: Convert to fraction form
    447,999.20/618,238.62 = 246,795.20/x
  3. Step 3: Cross multiply
    447,999.20x = 618,238.62 × 246,795.20
  4. Step 4: Simplify right side
    447,999.20x = 152,578,323,870.62
  5. Step 5: Solve for x
    x = 152,578,323,870.62/447,999.20
  6. Step 6: Final answer
    x = 340,577.22

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1.5x scale

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.