Home / 626,009.92-863,913.24-354,072.48

Finding the Fourth Proportional to 626,009.92, 863,913.24 and 354,072.48

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Solution

The fourth proportional to 626,009.92, 863,913.24 and 354,072.48 is: 488,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,009.92 : 863,913.24 = 354,072.48 : x
  2. Step 2: Convert to fraction form
    626,009.92/863,913.24 = 354,072.48/x
  3. Step 3: Cross multiply
    626,009.92x = 863,913.24 × 354,072.48
  4. Step 4: Simplify right side
    626,009.92x = 305,887,903,391.64
  5. Step 5: Solve for x
    x = 305,887,903,391.64/626,009.92
  6. Step 6: Final answer
    x = 488,631.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.