Home / 670,090.60-1,003,823.70-403,057.90

Finding the Fourth Proportional to 670,090.60, 1,003,823.70 and 403,057.90

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Solution

The fourth proportional to 670,090.60, 1,003,823.70 and 403,057.90 is: 603,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,090.60 : 1,003,823.70 = 403,057.90 : x
  2. Step 2: Convert to fraction form
    670,090.60/1,003,823.70 = 403,057.90/x
  3. Step 3: Cross multiply
    670,090.60x = 1,003,823.70 × 403,057.90
  4. Step 4: Simplify right side
    670,090.60x = 404,599,072,492.23
  5. Step 5: Solve for x
    x = 404,599,072,492.23/670,090.60
  6. Step 6: Final answer
    x = 603,797.56

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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.