Home / 816,507.42-1,224,788.76-284,033.05

Finding the Fourth Proportional to 816,507.42, 1,224,788.76 and 284,033.05

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Solution

The fourth proportional to 816,507.42, 1,224,788.76 and 284,033.05 is: 426,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,507.42 : 1,224,788.76 = 284,033.05 : x
  2. Step 2: Convert to fraction form
    816,507.42/1,224,788.76 = 284,033.05/x
  3. Step 3: Cross multiply
    816,507.42x = 1,224,788.76 × 284,033.05
  4. Step 4: Simplify right side
    816,507.42x = 347,880,487,108.52
  5. Step 5: Solve for x
    x = 347,880,487,108.52/816,507.42
  6. Step 6: Final answer
    x = 426,059.19

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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.