Home / 938,580.06-1,408,132.53-307,936.74

Finding the Fourth Proportional to 938,580.06, 1,408,132.53 and 307,936.74

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Solution

The fourth proportional to 938,580.06, 1,408,132.53 and 307,936.74 is: 461,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,580.06 : 1,408,132.53 = 307,936.74 : x
  2. Step 2: Convert to fraction form
    938,580.06/1,408,132.53 = 307,936.74/x
  3. Step 3: Cross multiply
    938,580.06x = 1,408,132.53 × 307,936.74
  4. Step 4: Simplify right side
    938,580.06x = 433,615,740,776.15
  5. Step 5: Solve for x
    x = 433,615,740,776.15/938,580.06
  6. Step 6: Final answer
    x = 461,991.21

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1.5x scale

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.