Home / 603,869.40-833,330.43-331,931.48

Finding the Fourth Proportional to 603,869.40, 833,330.43 and 331,931.48

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Solution

The fourth proportional to 603,869.40, 833,330.43 and 331,931.48 is: 458,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,869.40 : 833,330.43 = 331,931.48 : x
  2. Step 2: Convert to fraction form
    603,869.40/833,330.43 = 331,931.48/x
  3. Step 3: Cross multiply
    603,869.40x = 833,330.43 × 331,931.48
  4. Step 4: Simplify right side
    603,869.40x = 276,608,598,792.28
  5. Step 5: Solve for x
    x = 276,608,598,792.28/603,869.40
  6. Step 6: Final answer
    x = 458,060.30

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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.