Home / 722,400.02-996,947.79-435,915.26

Finding the Fourth Proportional to 722,400.02, 996,947.79 and 435,915.26

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Solution

The fourth proportional to 722,400.02, 996,947.79 and 435,915.26 is: 601,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,400.02 : 996,947.79 = 435,915.26 : x
  2. Step 2: Convert to fraction form
    722,400.02/996,947.79 = 435,915.26/x
  3. Step 3: Cross multiply
    722,400.02x = 996,947.79 × 435,915.26
  4. Step 4: Simplify right side
    722,400.02x = 434,584,755,084.28
  5. Step 5: Solve for x
    x = 434,584,755,084.28/722,400.02
  6. Step 6: Final answer
    x = 601,584.64

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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.