Home / 428,088.20-590,755.75-246,800.48

Finding the Fourth Proportional to 428,088.20, 590,755.75 and 246,800.48

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Solution

The fourth proportional to 428,088.20, 590,755.75 and 246,800.48 is: 340,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,088.20 : 590,755.75 = 246,800.48 : x
  2. Step 2: Convert to fraction form
    428,088.20/590,755.75 = 246,800.48/x
  3. Step 3: Cross multiply
    428,088.20x = 590,755.75 × 246,800.48
  4. Step 4: Simplify right side
    428,088.20x = 145,798,799,091.98
  5. Step 5: Solve for x
    x = 145,798,799,091.98/428,088.20
  6. Step 6: Final answer
    x = 340,581.22

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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.