Home / 784,396.20-1,176,458.88-208,023.48

Finding the Fourth Proportional to 784,396.20, 1,176,458.88 and 208,023.48

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Solution

The fourth proportional to 784,396.20, 1,176,458.88 and 208,023.48 is: 311,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,396.20 : 1,176,458.88 = 208,023.48 : x
  2. Step 2: Convert to fraction form
    784,396.20/1,176,458.88 = 208,023.48/x
  3. Step 3: Cross multiply
    784,396.20x = 1,176,458.88 × 208,023.48
  4. Step 4: Simplify right side
    784,396.20x = 244,731,070,294.50
  5. Step 5: Solve for x
    x = 244,731,070,294.50/784,396.20
  6. Step 6: Final answer
    x = 311,999.31

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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.