Home / 671,188.78-1,006,280.30-404,887.22

Finding the Fourth Proportional to 671,188.78, 1,006,280.30 and 404,887.22

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Solution

The fourth proportional to 671,188.78, 1,006,280.30 and 404,887.22 is: 607,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,188.78 : 1,006,280.30 = 404,887.22 : x
  2. Step 2: Convert to fraction form
    671,188.78/1,006,280.30 = 404,887.22/x
  3. Step 3: Cross multiply
    671,188.78x = 1,006,280.30 × 404,887.22
  4. Step 4: Simplify right side
    671,188.78x = 407,430,033,207.77
  5. Step 5: Solve for x
    x = 407,430,033,207.77/671,188.78
  6. Step 6: Final answer
    x = 607,027.48

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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.