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Finding the Fourth Proportional to 631,507.41, 947,324.88 and 205,025.40

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Solution

The fourth proportional to 631,507.41, 947,324.88 and 205,025.40 is: 307,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,507.41 : 947,324.88 = 205,025.40 : x
  2. Step 2: Convert to fraction form
    631,507.41/947,324.88 = 205,025.40/x
  3. Step 3: Cross multiply
    631,507.41x = 947,324.88 × 205,025.40
  4. Step 4: Simplify right side
    631,507.41x = 194,225,662,451.95
  5. Step 5: Solve for x
    x = 194,225,662,451.95/631,507.41
  6. Step 6: Final answer
    x = 307,558.80

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1.5x scale

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.