Home / 724,019.22-999,146.52-401,731.62

Finding the Fourth Proportional to 724,019.22, 999,146.52 and 401,731.62

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Solution

The fourth proportional to 724,019.22, 999,146.52 and 401,731.62 is: 554,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,019.22 : 999,146.52 = 401,731.62 : x
  2. Step 2: Convert to fraction form
    724,019.22/999,146.52 = 401,731.62/x
  3. Step 3: Cross multiply
    724,019.22x = 999,146.52 × 401,731.62
  4. Step 4: Simplify right side
    724,019.22x = 401,388,750,096.96
  5. Step 5: Solve for x
    x = 401,388,750,096.96/724,019.22
  6. Step 6: Final answer
    x = 554,389.63

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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.