Home / 428,077.32-590,740.74-246,789.60

Finding the Fourth Proportional to 428,077.32, 590,740.74 and 246,789.60

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Solution

The fourth proportional to 428,077.32, 590,740.74 and 246,789.60 is: 340,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,077.32 : 590,740.74 = 246,789.60 : x
  2. Step 2: Convert to fraction form
    428,077.32/590,740.74 = 246,789.60/x
  3. Step 3: Cross multiply
    428,077.32x = 590,740.74 × 246,789.60
  4. Step 4: Simplify right side
    428,077.32x = 145,788,670,928.30
  5. Step 5: Solve for x
    x = 145,788,670,928.30/428,077.32
  6. Step 6: Final answer
    x = 340,566.21

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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.