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Finding the Fourth Proportional to 602,496.09, 903,113.55 and 202,998.78

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Solution

The fourth proportional to 602,496.09, 903,113.55 and 202,998.78 is: 304,285.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,496.09 : 903,113.55 = 202,998.78 : x
  2. Step 2: Convert to fraction form
    602,496.09/903,113.55 = 202,998.78/x
  3. Step 3: Cross multiply
    602,496.09x = 903,113.55 × 202,998.78
  4. Step 4: Simplify right side
    602,496.09x = 183,330,948,851.47
  5. Step 5: Solve for x
    x = 183,330,948,851.47/602,496.09
  6. Step 6: Final answer
    x = 304,285.71

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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.