Home / 858,404.20-1,287,606.46-227,367.40

Finding the Fourth Proportional to 858,404.20, 1,287,606.46 and 227,367.40

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Solution

The fourth proportional to 858,404.20, 1,287,606.46 and 227,367.40 is: 341,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,404.20 : 1,287,606.46 = 227,367.40 : x
  2. Step 2: Convert to fraction form
    858,404.20/1,287,606.46 = 227,367.40/x
  3. Step 3: Cross multiply
    858,404.20x = 1,287,606.46 × 227,367.40
  4. Step 4: Simplify right side
    858,404.20x = 292,759,733,033.40
  5. Step 5: Solve for x
    x = 292,759,733,033.40/858,404.20
  6. Step 6: Final answer
    x = 341,051.14

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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.