Home / 850,342.87-1,173,453.73-463,147.53

Finding the Fourth Proportional to 850,342.87, 1,173,453.73 and 463,147.53

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Solution

The fourth proportional to 850,342.87, 1,173,453.73 and 463,147.53 is: 639,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,342.87 : 1,173,453.73 = 463,147.53 : x
  2. Step 2: Convert to fraction form
    850,342.87/1,173,453.73 = 463,147.53/x
  3. Step 3: Cross multiply
    850,342.87x = 1,173,453.73 × 463,147.53
  4. Step 4: Simplify right side
    850,342.87x = 543,482,196,618.79
  5. Step 5: Solve for x
    x = 543,482,196,618.79/850,342.87
  6. Step 6: Final answer
    x = 639,133.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.