Home / 869,076.30-1,303,614.45-491,162.70

Finding the Fourth Proportional to 869,076.30, 1,303,614.45 and 491,162.70

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Solution

The fourth proportional to 869,076.30, 1,303,614.45 and 491,162.70 is: 736,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,076.30 : 1,303,614.45 = 491,162.70 : x
  2. Step 2: Convert to fraction form
    869,076.30/1,303,614.45 = 491,162.70/x
  3. Step 3: Cross multiply
    869,076.30x = 1,303,614.45 × 491,162.70
  4. Step 4: Simplify right side
    869,076.30x = 640,286,793,021.02
  5. Step 5: Solve for x
    x = 640,286,793,021.02/869,076.30
  6. Step 6: Final answer
    x = 736,744.05

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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.