Home / 816,554.88-1,224,963.72-284,227.20

Finding the Fourth Proportional to 816,554.88, 1,224,963.72 and 284,227.20

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Solution

The fourth proportional to 816,554.88, 1,224,963.72 and 284,227.20 is: 426,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,554.88 : 1,224,963.72 = 284,227.20 : x
  2. Step 2: Convert to fraction form
    816,554.88/1,224,963.72 = 284,227.20/x
  3. Step 3: Cross multiply
    816,554.88x = 1,224,963.72 × 284,227.20
  4. Step 4: Simplify right side
    816,554.88x = 348,168,008,237.18
  5. Step 5: Solve for x
    x = 348,168,008,237.18/816,554.88
  6. Step 6: Final answer
    x = 426,386.54

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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.