Home / 757,879.68-1,045,871.82-418,345.50

Finding the Fourth Proportional to 757,879.68, 1,045,871.82 and 418,345.50

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Solution

The fourth proportional to 757,879.68, 1,045,871.82 and 418,345.50 is: 577,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,879.68 : 1,045,871.82 = 418,345.50 : x
  2. Step 2: Convert to fraction form
    757,879.68/1,045,871.82 = 418,345.50/x
  3. Step 3: Cross multiply
    757,879.68x = 1,045,871.82 × 418,345.50
  4. Step 4: Simplify right side
    757,879.68x = 437,535,769,473.81
  5. Step 5: Solve for x
    x = 437,535,769,473.81/757,879.68
  6. Step 6: Final answer
    x = 577,315.61

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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.