Home / 722,405.02-996,954.69-435,920.26

Finding the Fourth Proportional to 722,405.02, 996,954.69 and 435,920.26

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Solution

The fourth proportional to 722,405.02, 996,954.69 and 435,920.26 is: 601,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,405.02 : 996,954.69 = 435,920.26 : x
  2. Step 2: Convert to fraction form
    722,405.02/996,954.69 = 435,920.26/x
  3. Step 3: Cross multiply
    722,405.02x = 996,954.69 × 435,920.26
  4. Step 4: Simplify right side
    722,405.02x = 434,592,747,673.02
  5. Step 5: Solve for x
    x = 434,592,747,673.02/722,405.02
  6. Step 6: Final answer
    x = 601,591.54

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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.