Home / 724,896.69-1,087,478.78-238,606.30

Finding the Fourth Proportional to 724,896.69, 1,087,478.78 and 238,606.30

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Solution

The fourth proportional to 724,896.69, 1,087,478.78 and 238,606.30 is: 357,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,896.69 : 1,087,478.78 = 238,606.30 : x
  2. Step 2: Convert to fraction form
    724,896.69/1,087,478.78 = 238,606.30/x
  3. Step 3: Cross multiply
    724,896.69x = 1,087,478.78 × 238,606.30
  4. Step 4: Simplify right side
    724,896.69x = 259,479,288,024.31
  5. Step 5: Solve for x
    x = 259,479,288,024.31/724,896.69
  6. Step 6: Final answer
    x = 357,953.47

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1.5x scale

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.