Home / 784,319.22-1,176,242.58-278,813.34

Finding the Fourth Proportional to 784,319.22, 1,176,242.58 and 278,813.34

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Solution

The fourth proportional to 784,319.22, 1,176,242.58 and 278,813.34 is: 418,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,319.22 : 1,176,242.58 = 278,813.34 : x
  2. Step 2: Convert to fraction form
    784,319.22/1,176,242.58 = 278,813.34/x
  3. Step 3: Cross multiply
    784,319.22x = 1,176,242.58 × 278,813.34
  4. Step 4: Simplify right side
    784,319.22x = 327,952,122,380.02
  5. Step 5: Solve for x
    x = 327,952,122,380.02/784,319.22
  6. Step 6: Final answer
    x = 418,136.03

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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.