Home / 849,313.88-1,273,970.80-309,610.62

Finding the Fourth Proportional to 849,313.88, 1,273,970.80 and 309,610.62

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Solution

The fourth proportional to 849,313.88, 1,273,970.80 and 309,610.62 is: 464,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,313.88 : 1,273,970.80 = 309,610.62 : x
  2. Step 2: Convert to fraction form
    849,313.88/1,273,970.80 = 309,610.62/x
  3. Step 3: Cross multiply
    849,313.88x = 1,273,970.80 × 309,610.62
  4. Step 4: Simplify right side
    849,313.88x = 394,434,889,249.90
  5. Step 5: Solve for x
    x = 394,434,889,249.90/849,313.88
  6. Step 6: Final answer
    x = 464,415.92

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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.