Home / 816,885.75-1,225,494.63-284,448.27

Finding the Fourth Proportional to 816,885.75, 1,225,494.63 and 284,448.27

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Solution

The fourth proportional to 816,885.75, 1,225,494.63 and 284,448.27 is: 426,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,885.75 : 1,225,494.63 = 284,448.27 : x
  2. Step 2: Convert to fraction form
    816,885.75/1,225,494.63 = 284,448.27/x
  3. Step 3: Cross multiply
    816,885.75x = 1,225,494.63 × 284,448.27
  4. Step 4: Simplify right side
    816,885.75x = 348,589,827,397.79
  5. Step 5: Solve for x
    x = 348,589,827,397.79/816,885.75
  6. Step 6: Final answer
    x = 426,730.21

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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.