Home / 578,725.02-867,037.71-427,297.14

Finding the Fourth Proportional to 578,725.02, 867,037.71 and 427,297.14

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Solution

The fourth proportional to 578,725.02, 867,037.71 and 427,297.14 is: 640,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,725.02 : 867,037.71 = 427,297.14 : x
  2. Step 2: Convert to fraction form
    578,725.02/867,037.71 = 427,297.14/x
  3. Step 3: Cross multiply
    578,725.02x = 867,037.71 × 427,297.14
  4. Step 4: Simplify right side
    578,725.02x = 370,482,733,755.15
  5. Step 5: Solve for x
    x = 370,482,733,755.15/578,725.02
  6. Step 6: Final answer
    x = 640,170.58

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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.