Home / 669,130.10-1,003,363.05-242,648.90

Finding the Fourth Proportional to 669,130.10, 1,003,363.05 and 242,648.90

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Solution

The fourth proportional to 669,130.10, 1,003,363.05 and 242,648.90 is: 363,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,130.10 : 1,003,363.05 = 242,648.90 : x
  2. Step 2: Convert to fraction form
    669,130.10/1,003,363.05 = 242,648.90/x
  3. Step 3: Cross multiply
    669,130.10x = 1,003,363.05 × 242,648.90
  4. Step 4: Simplify right side
    669,130.10x = 243,464,940,383.15
  5. Step 5: Solve for x
    x = 243,464,940,383.15/669,130.10
  6. Step 6: Final answer
    x = 363,852.92

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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.