Home / 671,435.04-1,006,649.44-405,132.64

Finding the Fourth Proportional to 671,435.04, 1,006,649.44 and 405,132.64

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Solution

The fourth proportional to 671,435.04, 1,006,649.44 and 405,132.64 is: 607,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,435.04 : 1,006,649.44 = 405,132.64 : x
  2. Step 2: Convert to fraction form
    671,435.04/1,006,649.44 = 405,132.64/x
  3. Step 3: Cross multiply
    671,435.04x = 1,006,649.44 × 405,132.64
  4. Step 4: Simplify right side
    671,435.04x = 407,826,545,181.72
  5. Step 5: Solve for x
    x = 407,826,545,181.72/671,435.04
  6. Step 6: Final answer
    x = 607,395.39

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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.