Home / 403,719.60-604,915.20-245,471.52

Finding the Fourth Proportional to 403,719.60, 604,915.20 and 245,471.52

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Solution

The fourth proportional to 403,719.60, 604,915.20 and 245,471.52 is: 367,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,719.60 : 604,915.20 = 245,471.52 : x
  2. Step 2: Convert to fraction form
    403,719.60/604,915.20 = 245,471.52/x
  3. Step 3: Cross multiply
    403,719.60x = 604,915.20 × 245,471.52
  4. Step 4: Simplify right side
    403,719.60x = 148,489,453,615.10
  5. Step 5: Solve for x
    x = 148,489,453,615.10/403,719.60
  6. Step 6: Final answer
    x = 367,803.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.