Home / 427,740.86-590,220.61-236,753.80

Finding the Fourth Proportional to 427,740.86, 590,220.61 and 236,753.80

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Solution

The fourth proportional to 427,740.86, 590,220.61 and 236,753.80 is: 326,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,740.86 : 590,220.61 = 236,753.80 : x
  2. Step 2: Convert to fraction form
    427,740.86/590,220.61 = 236,753.80/x
  3. Step 3: Cross multiply
    427,740.86x = 590,220.61 × 236,753.80
  4. Step 4: Simplify right side
    427,740.86x = 139,736,970,188.38
  5. Step 5: Solve for x
    x = 139,736,970,188.38/427,740.86
  6. Step 6: Final answer
    x = 326,686.04

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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.