Home / 428,021.96-590,669.15-246,732.89

Finding the Fourth Proportional to 428,021.96, 590,669.15 and 246,732.89

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Solution

The fourth proportional to 428,021.96, 590,669.15 and 246,732.89 is: 340,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,021.96 : 590,669.15 = 246,732.89 : x
  2. Step 2: Convert to fraction form
    428,021.96/590,669.15 = 246,732.89/x
  3. Step 3: Cross multiply
    428,021.96x = 590,669.15 × 246,732.89
  4. Step 4: Simplify right side
    428,021.96x = 145,737,502,226.33
  5. Step 5: Solve for x
    x = 145,737,502,226.33/428,021.96
  6. Step 6: Final answer
    x = 340,490.72

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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.