Home / 605,241.48-835,235.75-347,128.40

Finding the Fourth Proportional to 605,241.48, 835,235.75 and 347,128.40

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Solution

The fourth proportional to 605,241.48, 835,235.75 and 347,128.40 is: 479,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,241.48 : 835,235.75 = 347,128.40 : x
  2. Step 2: Convert to fraction form
    605,241.48/835,235.75 = 347,128.40/x
  3. Step 3: Cross multiply
    605,241.48x = 835,235.75 × 347,128.40
  4. Step 4: Simplify right side
    605,241.48x = 289,934,049,520.30
  5. Step 5: Solve for x
    x = 289,934,049,520.30/605,241.48
  6. Step 6: Final answer
    x = 479,038.63

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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.