Home / 648,440.92-894,845.02-376,575.63

Finding the Fourth Proportional to 648,440.92, 894,845.02 and 376,575.63

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Solution

The fourth proportional to 648,440.92, 894,845.02 and 376,575.63 is: 519,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,440.92 : 894,845.02 = 376,575.63 : x
  2. Step 2: Convert to fraction form
    648,440.92/894,845.02 = 376,575.63/x
  3. Step 3: Cross multiply
    648,440.92x = 894,845.02 × 376,575.63
  4. Step 4: Simplify right side
    648,440.92x = 336,976,828,601.34
  5. Step 5: Solve for x
    x = 336,976,828,601.34/648,440.92
  6. Step 6: Final answer
    x = 519,672.37

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Double scale
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Similar ratio
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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.