Home / 479,460.92-719,066.84-142,422.35

Finding the Fourth Proportional to 479,460.92, 719,066.84 and 142,422.35

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Solution

The fourth proportional to 479,460.92, 719,066.84 and 142,422.35 is: 213,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,460.92 : 719,066.84 = 142,422.35 : x
  2. Step 2: Convert to fraction form
    479,460.92/719,066.84 = 142,422.35/x
  3. Step 3: Cross multiply
    479,460.92x = 719,066.84 × 142,422.35
  4. Step 4: Simplify right side
    479,460.92x = 102,411,184,852.43
  5. Step 5: Solve for x
    x = 102,411,184,852.43/479,460.92
  6. Step 6: Final answer
    x = 213,596.52

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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.