Home / 849,418.92-1,273,242.65-344,328.54

Finding the Fourth Proportional to 849,418.92, 1,273,242.65 and 344,328.54

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Solution

The fourth proportional to 849,418.92, 1,273,242.65 and 344,328.54 is: 516,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,418.92 : 1,273,242.65 = 344,328.54 : x
  2. Step 2: Convert to fraction form
    849,418.92/1,273,242.65 = 344,328.54/x
  3. Step 3: Cross multiply
    849,418.92x = 1,273,242.65 × 344,328.54
  4. Step 4: Simplify right side
    849,418.92x = 438,413,781,018.59
  5. Step 5: Solve for x
    x = 438,413,781,018.59/849,418.92
  6. Step 6: Final answer
    x = 516,133.76

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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.