Home / 849,421.43-1,273,246.39-344,331.03

Finding the Fourth Proportional to 849,421.43, 1,273,246.39 and 344,331.03

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Solution

The fourth proportional to 849,421.43, 1,273,246.39 and 344,331.03 is: 516,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,421.43 : 1,273,246.39 = 344,331.03 : x
  2. Step 2: Convert to fraction form
    849,421.43/1,273,246.39 = 344,331.03/x
  3. Step 3: Cross multiply
    849,421.43x = 1,273,246.39 × 344,331.03
  4. Step 4: Simplify right side
    849,421.43x = 438,418,240,912.48
  5. Step 5: Solve for x
    x = 438,418,240,912.48/849,421.43
  6. Step 6: Final answer
    x = 516,137.49

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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.