Home / 874,446.71-1,206,720.26-476,628.55

Finding the Fourth Proportional to 874,446.71, 1,206,720.26 and 476,628.55

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Solution

The fourth proportional to 874,446.71, 1,206,720.26 and 476,628.55 is: 657,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,446.71 : 1,206,720.26 = 476,628.55 : x
  2. Step 2: Convert to fraction form
    874,446.71/1,206,720.26 = 476,628.55/x
  3. Step 3: Cross multiply
    874,446.71x = 1,206,720.26 × 476,628.55
  4. Step 4: Simplify right side
    874,446.71x = 575,157,324,166.84
  5. Step 5: Solve for x
    x = 575,157,324,166.84/874,446.71
  6. Step 6: Final answer
    x = 657,738.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.