Home / 503,519.19-694,915.55-282,792.67

Finding the Fourth Proportional to 503,519.19, 694,915.55 and 282,792.67

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Solution

The fourth proportional to 503,519.19, 694,915.55 and 282,792.67 is: 390,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,519.19 : 694,915.55 = 282,792.67 : x
  2. Step 2: Convert to fraction form
    503,519.19/694,915.55 = 282,792.67/x
  3. Step 3: Cross multiply
    503,519.19x = 694,915.55 × 282,792.67
  4. Step 4: Simplify right side
    503,519.19x = 196,517,023,308.95
  5. Step 5: Solve for x
    x = 196,517,023,308.95/503,519.19
  6. Step 6: Final answer
    x = 390,287.06

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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.