Home / 748,135.76-1,122,361.43-242,657.48

Finding the Fourth Proportional to 748,135.76, 1,122,361.43 and 242,657.48

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Solution

The fourth proportional to 748,135.76, 1,122,361.43 and 242,657.48 is: 364,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,135.76 : 1,122,361.43 = 242,657.48 : x
  2. Step 2: Convert to fraction form
    748,135.76/1,122,361.43 = 242,657.48/x
  3. Step 3: Cross multiply
    748,135.76x = 1,122,361.43 × 242,657.48
  4. Step 4: Simplify right side
    748,135.76x = 272,349,395,039.71
  5. Step 5: Solve for x
    x = 272,349,395,039.71/748,135.76
  6. Step 6: Final answer
    x = 364,037.40

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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.