Home / 543,284.09-749,734.95-339,453.23

Finding the Fourth Proportional to 543,284.09, 749,734.95 and 339,453.23

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Solution

The fourth proportional to 543,284.09, 749,734.95 and 339,453.23 is: 468,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,284.09 : 749,734.95 = 339,453.23 : x
  2. Step 2: Convert to fraction form
    543,284.09/749,734.95 = 339,453.23/x
  3. Step 3: Cross multiply
    543,284.09x = 749,734.95 × 339,453.23
  4. Step 4: Simplify right side
    543,284.09x = 254,499,946,672.71
  5. Step 5: Solve for x
    x = 254,499,946,672.71/543,284.09
  6. Step 6: Final answer
    x = 468,447.26

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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.