Home / 784,503.20-1,176,930.84-252,054.56

Finding the Fourth Proportional to 784,503.20, 1,176,930.84 and 252,054.56

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Solution

The fourth proportional to 784,503.20, 1,176,930.84 and 252,054.56 is: 378,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,503.20 : 1,176,930.84 = 252,054.56 : x
  2. Step 2: Convert to fraction form
    784,503.20/1,176,930.84 = 252,054.56/x
  3. Step 3: Cross multiply
    784,503.20x = 1,176,930.84 × 252,054.56
  4. Step 4: Simplify right side
    784,503.20x = 296,650,785,026.63
  5. Step 5: Solve for x
    x = 296,650,785,026.63/784,503.20
  6. Step 6: Final answer
    x = 378,138.40

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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.