Home / 905,858.48-1,250,088.74-497,986.59

Finding the Fourth Proportional to 905,858.48, 1,250,088.74 and 497,986.59

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Solution

The fourth proportional to 905,858.48, 1,250,088.74 and 497,986.59 is: 687,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,858.48 : 1,250,088.74 = 497,986.59 : x
  2. Step 2: Convert to fraction form
    905,858.48/1,250,088.74 = 497,986.59/x
  3. Step 3: Cross multiply
    905,858.48x = 1,250,088.74 × 497,986.59
  4. Step 4: Simplify right side
    905,858.48x = 622,527,426,340.06
  5. Step 5: Solve for x
    x = 622,527,426,340.06/905,858.48
  6. Step 6: Final answer
    x = 687,223.71

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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.