Home / 670,628.22-1,006,385.46-315,743.73

Finding the Fourth Proportional to 670,628.22, 1,006,385.46 and 315,743.73

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Solution

The fourth proportional to 670,628.22, 1,006,385.46 and 315,743.73 is: 473,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,628.22 : 1,006,385.46 = 315,743.73 : x
  2. Step 2: Convert to fraction form
    670,628.22/1,006,385.46 = 315,743.73/x
  3. Step 3: Cross multiply
    670,628.22x = 1,006,385.46 × 315,743.73
  4. Step 4: Simplify right side
    670,628.22x = 317,759,898,958.17
  5. Step 5: Solve for x
    x = 317,759,898,958.17/670,628.22
  6. Step 6: Final answer
    x = 473,824.23

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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.