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Finding the Fourth Proportional to 889,538.76, 1,227,471.84 and 507,492

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Solution

The fourth proportional to 889,538.76, 1,227,471.84 and 507,492 is: 700,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,538.76 : 1,227,471.84 = 507,492 : x
  2. Step 2: Convert to fraction form
    889,538.76/1,227,471.84 = 507,492/x
  3. Step 3: Cross multiply
    889,538.76x = 1,227,471.84 × 507,492
  4. Step 4: Simplify right side
    889,538.76x = 622,932,139,025.28
  5. Step 5: Solve for x
    x = 622,932,139,025.28/889,538.76
  6. Step 6: Final answer
    x = 700,286.67

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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.