Home / 479,594.02-719,390.55-142,633.30

Finding the Fourth Proportional to 479,594.02, 719,390.55 and 142,633.30

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Solution

The fourth proportional to 479,594.02, 719,390.55 and 142,633.30 is: 213,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,594.02 : 719,390.55 = 142,633.30 : x
  2. Step 2: Convert to fraction form
    479,594.02/719,390.55 = 142,633.30/x
  3. Step 3: Cross multiply
    479,594.02x = 719,390.55 × 142,633.30
  4. Step 4: Simplify right side
    479,594.02x = 102,609,048,135.32
  5. Step 5: Solve for x
    x = 102,609,048,135.32/479,594.02
  6. Step 6: Final answer
    x = 213,949.81

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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.