Home / 722,928.42-997,748.82-416,947.68

Finding the Fourth Proportional to 722,928.42, 997,748.82 and 416,947.68

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Solution

The fourth proportional to 722,928.42, 997,748.82 and 416,947.68 is: 575,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,928.42 : 997,748.82 = 416,947.68 : x
  2. Step 2: Convert to fraction form
    722,928.42/997,748.82 = 416,947.68/x
  3. Step 3: Cross multiply
    722,928.42x = 997,748.82 × 416,947.68
  4. Step 4: Simplify right side
    722,928.42x = 416,009,055,721.74
  5. Step 5: Solve for x
    x = 416,009,055,721.74/722,928.42
  6. Step 6: Final answer
    x = 575,449.86

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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.