Home / 698,703.83-1,047,662.05-243,086.12

Finding the Fourth Proportional to 698,703.83, 1,047,662.05 and 243,086.12

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Solution

The fourth proportional to 698,703.83, 1,047,662.05 and 243,086.12 is: 364,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,703.83 : 1,047,662.05 = 243,086.12 : x
  2. Step 2: Convert to fraction form
    698,703.83/1,047,662.05 = 243,086.12/x
  3. Step 3: Cross multiply
    698,703.83x = 1,047,662.05 × 243,086.12
  4. Step 4: Simplify right side
    698,703.83x = 254,672,102,805.75
  5. Step 5: Solve for x
    x = 254,672,102,805.75/698,703.83
  6. Step 6: Final answer
    x = 364,492.21

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Double scale
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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.