Home / 428,999.94-592,106.09-247,741.38

Finding the Fourth Proportional to 428,999.94, 592,106.09 and 247,741.38

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Solution

The fourth proportional to 428,999.94, 592,106.09 and 247,741.38 is: 341,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,999.94 : 592,106.09 = 247,741.38 : x
  2. Step 2: Convert to fraction form
    428,999.94/592,106.09 = 247,741.38/x
  3. Step 3: Cross multiply
    428,999.94x = 592,106.09 × 247,741.38
  4. Step 4: Simplify right side
    428,999.94x = 146,689,178,604.30
  5. Step 5: Solve for x
    x = 146,689,178,604.30/428,999.94
  6. Step 6: Final answer
    x = 341,932.87

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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.