Home / 901,216.13-1,243,679.47-561,684.38

Finding the Fourth Proportional to 901,216.13, 1,243,679.47 and 561,684.38

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Solution

The fourth proportional to 901,216.13, 1,243,679.47 and 561,684.38 is: 775,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,216.13 : 1,243,679.47 = 561,684.38 : x
  2. Step 2: Convert to fraction form
    901,216.13/1,243,679.47 = 561,684.38/x
  3. Step 3: Cross multiply
    901,216.13x = 1,243,679.47 × 561,684.38
  4. Step 4: Simplify right side
    901,216.13x = 698,555,324,403.07
  5. Step 5: Solve for x
    x = 698,555,324,403.07/901,216.13
  6. Step 6: Final answer
    x = 775,125.19

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Double scale
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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.