Home / 670,629.22-1,006,386.96-315,744.73

Finding the Fourth Proportional to 670,629.22, 1,006,386.96 and 315,744.73

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Solution

The fourth proportional to 670,629.22, 1,006,386.96 and 315,744.73 is: 473,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,629.22 : 1,006,386.96 = 315,744.73 : x
  2. Step 2: Convert to fraction form
    670,629.22/1,006,386.96 = 315,744.73/x
  3. Step 3: Cross multiply
    670,629.22x = 1,006,386.96 × 315,744.73
  4. Step 4: Simplify right side
    670,629.22x = 317,761,378,960.72
  5. Step 5: Solve for x
    x = 317,761,378,960.72/670,629.22
  6. Step 6: Final answer
    x = 473,825.73

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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.