Home / 784,086.88-1,176,518.96-310,761.76

Finding the Fourth Proportional to 784,086.88, 1,176,518.96 and 310,761.76

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Solution

The fourth proportional to 784,086.88, 1,176,518.96 and 310,761.76 is: 466,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,086.88 : 1,176,518.96 = 310,761.76 : x
  2. Step 2: Convert to fraction form
    784,086.88/1,176,518.96 = 310,761.76/x
  3. Step 3: Cross multiply
    784,086.88x = 1,176,518.96 × 310,761.76
  4. Step 4: Simplify right side
    784,086.88x = 365,617,102,682.97
  5. Step 5: Solve for x
    x = 365,617,102,682.97/784,086.88
  6. Step 6: Final answer
    x = 466,296.67

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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.