Home / 849,323.46-1,273,985.19-309,620.21

Finding the Fourth Proportional to 849,323.46, 1,273,985.19 and 309,620.21

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Solution

The fourth proportional to 849,323.46, 1,273,985.19 and 309,620.21 is: 464,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,323.46 : 1,273,985.19 = 309,620.21 : x
  2. Step 2: Convert to fraction form
    849,323.46/1,273,985.19 = 309,620.21/x
  3. Step 3: Cross multiply
    849,323.46x = 1,273,985.19 × 309,620.21
  4. Step 4: Simplify right side
    849,323.46x = 394,451,560,516.59
  5. Step 5: Solve for x
    x = 394,451,560,516.59/849,323.46
  6. Step 6: Final answer
    x = 464,430.31

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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.