Home / 674,196.60-1,009,982.70-407,163.90

Finding the Fourth Proportional to 674,196.60, 1,009,982.70 and 407,163.90

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Solution

The fourth proportional to 674,196.60, 1,009,982.70 and 407,163.90 is: 609,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,196.60 : 1,009,982.70 = 407,163.90 : x
  2. Step 2: Convert to fraction form
    674,196.60/1,009,982.70 = 407,163.90/x
  3. Step 3: Cross multiply
    674,196.60x = 1,009,982.70 × 407,163.90
  4. Step 4: Simplify right side
    674,196.60x = 411,228,495,064.53
  5. Step 5: Solve for x
    x = 411,228,495,064.53/674,196.60
  6. Step 6: Final answer
    x = 609,953.38

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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.