Home / 893,136.10-1,342,361.52-420,153.61

Finding the Fourth Proportional to 893,136.10, 1,342,361.52 and 420,153.61

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Solution

The fourth proportional to 893,136.10, 1,342,361.52 and 420,153.61 is: 631,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,136.10 : 1,342,361.52 = 420,153.61 : x
  2. Step 2: Convert to fraction form
    893,136.10/1,342,361.52 = 420,153.61/x
  3. Step 3: Cross multiply
    893,136.10x = 1,342,361.52 × 420,153.61
  4. Step 4: Simplify right side
    893,136.10x = 563,998,038,553.09
  5. Step 5: Solve for x
    x = 563,998,038,553.09/893,136.10
  6. Step 6: Final answer
    x = 631,480.51

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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.