Home / 673,011.40-1,009,905.90-252,329.80

Finding the Fourth Proportional to 673,011.40, 1,009,905.90 and 252,329.80

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Solution

The fourth proportional to 673,011.40, 1,009,905.90 and 252,329.80 is: 378,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,011.40 : 1,009,905.90 = 252,329.80 : x
  2. Step 2: Convert to fraction form
    673,011.40/1,009,905.90 = 252,329.80/x
  3. Step 3: Cross multiply
    673,011.40x = 1,009,905.90 × 252,329.80
  4. Step 4: Simplify right side
    673,011.40x = 254,829,353,765.82
  5. Step 5: Solve for x
    x = 254,829,353,765.82/673,011.40
  6. Step 6: Final answer
    x = 378,640.47

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Double scale
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Similar ratio
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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.