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Finding the Fourth Proportional to 681,492.74, 940,466.40 and 375,580.14

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Solution

The fourth proportional to 681,492.74, 940,466.40 and 375,580.14 is: 518,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,492.74 : 940,466.40 = 375,580.14 : x
  2. Step 2: Convert to fraction form
    681,492.74/940,466.40 = 375,580.14/x
  3. Step 3: Cross multiply
    681,492.74x = 940,466.40 × 375,580.14
  4. Step 4: Simplify right side
    681,492.74x = 353,220,502,177.30
  5. Step 5: Solve for x
    x = 353,220,502,177.30/681,492.74
  6. Step 6: Final answer
    x = 518,304.13

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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.