Home / 770,715.54-1,063,554.75-426,519.27

Finding the Fourth Proportional to 770,715.54, 1,063,554.75 and 426,519.27

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Solution

The fourth proportional to 770,715.54, 1,063,554.75 and 426,519.27 is: 588,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,715.54 : 1,063,554.75 = 426,519.27 : x
  2. Step 2: Convert to fraction form
    770,715.54/1,063,554.75 = 426,519.27/x
  3. Step 3: Cross multiply
    770,715.54x = 1,063,554.75 × 426,519.27
  4. Step 4: Simplify right side
    770,715.54x = 453,626,595,575.03
  5. Step 5: Solve for x
    x = 453,626,595,575.03/770,715.54
  6. Step 6: Final answer
    x = 588,578.50

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1.5x scale

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.