Home / 724,927.93-1,087,588.73-219,505.86

Finding the Fourth Proportional to 724,927.93, 1,087,588.73 and 219,505.86

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Solution

The fourth proportional to 724,927.93, 1,087,588.73 and 219,505.86 is: 329,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,927.93 : 1,087,588.73 = 219,505.86 : x
  2. Step 2: Convert to fraction form
    724,927.93/1,087,588.73 = 219,505.86/x
  3. Step 3: Cross multiply
    724,927.93x = 1,087,588.73 × 219,505.86
  4. Step 4: Simplify right side
    724,927.93x = 238,732,100,053.72
  5. Step 5: Solve for x
    x = 238,732,100,053.72/724,927.93
  6. Step 6: Final answer
    x = 329,318.39

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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.