Home / 681,046.74-939,886.95-375,123.06

Finding the Fourth Proportional to 681,046.74, 939,886.95 and 375,123.06

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Solution

The fourth proportional to 681,046.74, 939,886.95 and 375,123.06 is: 517,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,046.74 : 939,886.95 = 375,123.06 : x
  2. Step 2: Convert to fraction form
    681,046.74/939,886.95 = 375,123.06/x
  3. Step 3: Cross multiply
    681,046.74x = 939,886.95 × 375,123.06
  4. Step 4: Simplify right side
    681,046.74x = 352,573,268,738.07
  5. Step 5: Solve for x
    x = 352,573,268,738.07/681,046.74
  6. Step 6: Final answer
    x = 517,693.20

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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.