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Finding the Fourth Proportional to 598,502.90, 897,123.36 and 199,036.82

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Solution

The fourth proportional to 598,502.90, 897,123.36 and 199,036.82 is: 298,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,502.90 : 897,123.36 = 199,036.82 : x
  2. Step 2: Convert to fraction form
    598,502.90/897,123.36 = 199,036.82/x
  3. Step 3: Cross multiply
    598,502.90x = 897,123.36 × 199,036.82
  4. Step 4: Simplify right side
    598,502.90x = 178,560,580,722.12
  5. Step 5: Solve for x
    x = 178,560,580,722.12/598,502.90
  6. Step 6: Final answer
    x = 298,345.39

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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.