Home / 479,799.13-719,699.60-124,812.58

Finding the Fourth Proportional to 479,799.13, 719,699.60 and 124,812.58

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Solution

The fourth proportional to 479,799.13, 719,699.60 and 124,812.58 is: 187,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,799.13 : 719,699.60 = 124,812.58 : x
  2. Step 2: Convert to fraction form
    479,799.13/719,699.60 = 124,812.58/x
  3. Step 3: Cross multiply
    479,799.13x = 719,699.60 × 124,812.58
  4. Step 4: Simplify right side
    479,799.13x = 89,827,562,101.72
  5. Step 5: Solve for x
    x = 89,827,562,101.72/479,799.13
  6. Step 6: Final answer
    x = 187,219.10

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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.