Home / 524,922.20-724,392.81-307,172.73

Finding the Fourth Proportional to 524,922.20, 724,392.81 and 307,172.73

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Solution

The fourth proportional to 524,922.20, 724,392.81 and 307,172.73 is: 423,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,922.20 : 724,392.81 = 307,172.73 : x
  2. Step 2: Convert to fraction form
    524,922.20/724,392.81 = 307,172.73/x
  3. Step 3: Cross multiply
    524,922.20x = 724,392.81 × 307,172.73
  4. Step 4: Simplify right side
    524,922.20x = 222,513,717,040.07
  5. Step 5: Solve for x
    x = 222,513,717,040.07/524,922.20
  6. Step 6: Final answer
    x = 423,898.47

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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.