Home / 901,189.06-1,243,672.47-493,291.16

Finding the Fourth Proportional to 901,189.06, 1,243,672.47 and 493,291.16

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Solution

The fourth proportional to 901,189.06, 1,243,672.47 and 493,291.16 is: 680,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,189.06 : 1,243,672.47 = 493,291.16 : x
  2. Step 2: Convert to fraction form
    901,189.06/1,243,672.47 = 493,291.16/x
  3. Step 3: Cross multiply
    901,189.06x = 1,243,672.47 × 493,291.16
  4. Step 4: Simplify right side
    901,189.06x = 613,492,633,831.78
  5. Step 5: Solve for x
    x = 613,492,633,831.78/901,189.06
  6. Step 6: Final answer
    x = 680,759.08

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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.