Home / 681,054.24-939,897.30-375,130.56

Finding the Fourth Proportional to 681,054.24, 939,897.30 and 375,130.56

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Solution

The fourth proportional to 681,054.24, 939,897.30 and 375,130.56 is: 517,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,054.24 : 939,897.30 = 375,130.56 : x
  2. Step 2: Convert to fraction form
    681,054.24/939,897.30 = 375,130.56/x
  3. Step 3: Cross multiply
    681,054.24x = 939,897.30 × 375,130.56
  4. Step 4: Simplify right side
    681,054.24x = 352,584,200,491.49
  5. Step 5: Solve for x
    x = 352,584,200,491.49/681,054.24
  6. Step 6: Final answer
    x = 517,703.55

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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.