Home / 859,560.34-1,289,339.10-228,474.16

Finding the Fourth Proportional to 859,560.34, 1,289,339.10 and 228,474.16

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Solution

The fourth proportional to 859,560.34, 1,289,339.10 and 228,474.16 is: 342,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,560.34 : 1,289,339.10 = 228,474.16 : x
  2. Step 2: Convert to fraction form
    859,560.34/1,289,339.10 = 228,474.16/x
  3. Step 3: Cross multiply
    859,560.34x = 1,289,339.10 × 228,474.16
  4. Step 4: Simplify right side
    859,560.34x = 294,580,667,827.66
  5. Step 5: Solve for x
    x = 294,580,667,827.66/859,560.34
  6. Step 6: Final answer
    x = 342,710.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.