Home / 525,975.26-725,674.95-321,813.34

Finding the Fourth Proportional to 525,975.26, 725,674.95 and 321,813.34

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Solution

The fourth proportional to 525,975.26, 725,674.95 and 321,813.34 is: 443,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,975.26 : 725,674.95 = 321,813.34 : x
  2. Step 2: Convert to fraction form
    525,975.26/725,674.95 = 321,813.34/x
  3. Step 3: Cross multiply
    525,975.26x = 725,674.95 × 321,813.34
  4. Step 4: Simplify right side
    525,975.26x = 233,531,877,599.65
  5. Step 5: Solve for x
    x = 233,531,877,599.65/525,975.26
  6. Step 6: Final answer
    x = 443,997.84

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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.