Home / 673,702.20-929,676.36-383,286.42

Finding the Fourth Proportional to 673,702.20, 929,676.36 and 383,286.42

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Solution

The fourth proportional to 673,702.20, 929,676.36 and 383,286.42 is: 528,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,702.20 : 929,676.36 = 383,286.42 : x
  2. Step 2: Convert to fraction form
    673,702.20/929,676.36 = 383,286.42/x
  3. Step 3: Cross multiply
    673,702.20x = 929,676.36 × 383,286.42
  4. Step 4: Simplify right side
    673,702.20x = 356,332,323,783.03
  5. Step 5: Solve for x
    x = 356,332,323,783.03/673,702.20
  6. Step 6: Final answer
    x = 528,916.67

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Double scale
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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.