Home / 605,385.38-835,432.02-350,884.19

Finding the Fourth Proportional to 605,385.38, 835,432.02 and 350,884.19

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Solution

The fourth proportional to 605,385.38, 835,432.02 and 350,884.19 is: 484,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,385.38 : 835,432.02 = 350,884.19 : x
  2. Step 2: Convert to fraction form
    605,385.38/835,432.02 = 350,884.19/x
  3. Step 3: Cross multiply
    605,385.38x = 835,432.02 × 350,884.19
  4. Step 4: Simplify right side
    605,385.38x = 293,139,883,460.60
  5. Step 5: Solve for x
    x = 293,139,883,460.60/605,385.38
  6. Step 6: Final answer
    x = 484,220.29

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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.