Home / 658,789.55-908,795.70-416,664.35

Finding the Fourth Proportional to 658,789.55, 908,795.70 and 416,664.35

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Solution

The fourth proportional to 658,789.55, 908,795.70 and 416,664.35 is: 574,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,789.55 : 908,795.70 = 416,664.35 : x
  2. Step 2: Convert to fraction form
    658,789.55/908,795.70 = 416,664.35/x
  3. Step 3: Cross multiply
    658,789.55x = 908,795.70 × 416,664.35
  4. Step 4: Simplify right side
    658,789.55x = 378,662,766,120.98
  5. Step 5: Solve for x
    x = 378,662,766,120.98/658,789.55
  6. Step 6: Final answer
    x = 574,785.63

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1.5x scale

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.