Home / 692,120.70-1,038,181.05-425,015.10

Finding the Fourth Proportional to 692,120.70, 1,038,181.05 and 425,015.10

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Solution

The fourth proportional to 692,120.70, 1,038,181.05 and 425,015.10 is: 637,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,120.70 : 1,038,181.05 = 425,015.10 : x
  2. Step 2: Convert to fraction form
    692,120.70/1,038,181.05 = 425,015.10/x
  3. Step 3: Cross multiply
    692,120.70x = 1,038,181.05 × 425,015.10
  4. Step 4: Simplify right side
    692,120.70x = 441,242,622,783.86
  5. Step 5: Solve for x
    x = 441,242,622,783.86/692,120.70
  6. Step 6: Final answer
    x = 637,522.65

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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.