Home / 848,512.06-1,272,434.57-308,640.17

Finding the Fourth Proportional to 848,512.06, 1,272,434.57 and 308,640.17

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Solution

The fourth proportional to 848,512.06, 1,272,434.57 and 308,640.17 is: 462,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,512.06 : 1,272,434.57 = 308,640.17 : x
  2. Step 2: Convert to fraction form
    848,512.06/1,272,434.57 = 308,640.17/x
  3. Step 3: Cross multiply
    848,512.06x = 1,272,434.57 × 308,640.17
  4. Step 4: Simplify right side
    848,512.06x = 392,724,420,455.48
  5. Step 5: Solve for x
    x = 392,724,420,455.48/848,512.06
  6. Step 6: Final answer
    x = 462,838.94

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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.