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Finding the Fourth Proportional to 669,761.76, 924,278.67 and 367,955.76

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Solution

The fourth proportional to 669,761.76, 924,278.67 and 367,955.76 is: 507,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,761.76 : 924,278.67 = 367,955.76 : x
  2. Step 2: Convert to fraction form
    669,761.76/924,278.67 = 367,955.76/x
  3. Step 3: Cross multiply
    669,761.76x = 924,278.67 × 367,955.76
  4. Step 4: Simplify right side
    669,761.76x = 340,093,660,471.64
  5. Step 5: Solve for x
    x = 340,093,660,471.64/669,761.76
  6. Step 6: Final answer
    x = 507,783.04

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1.5x scale

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.