Home / 560,966.38-840,826.27-427,406.29

Finding the Fourth Proportional to 560,966.38, 840,826.27 and 427,406.29

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Solution

The fourth proportional to 560,966.38, 840,826.27 and 427,406.29 is: 640,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,966.38 : 840,826.27 = 427,406.29 : x
  2. Step 2: Convert to fraction form
    560,966.38/840,826.27 = 427,406.29/x
  3. Step 3: Cross multiply
    560,966.38x = 840,826.27 × 427,406.29
  4. Step 4: Simplify right side
    560,966.38x = 359,374,436,595.24
  5. Step 5: Solve for x
    x = 359,374,436,595.24/560,966.38
  6. Step 6: Final answer
    x = 640,634.54

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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.