Home / 428,073.05-590,739.32-246,784.11

Finding the Fourth Proportional to 428,073.05, 590,739.32 and 246,784.11

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Solution

The fourth proportional to 428,073.05, 590,739.32 and 246,784.11 is: 340,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,073.05 : 590,739.32 = 246,784.11 : x
  2. Step 2: Convert to fraction form
    428,073.05/590,739.32 = 246,784.11/x
  3. Step 3: Cross multiply
    428,073.05x = 590,739.32 × 246,784.11
  4. Step 4: Simplify right side
    428,073.05x = 145,785,077,328.21
  5. Step 5: Solve for x
    x = 145,785,077,328.21/428,073.05
  6. Step 6: Final answer
    x = 340,561.22

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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.