Home / 874,523.07-1,207,143.86-512,063.46

Finding the Fourth Proportional to 874,523.07, 1,207,143.86 and 512,063.46

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Solution

The fourth proportional to 874,523.07, 1,207,143.86 and 512,063.46 is: 706,824.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,523.07 : 1,207,143.86 = 512,063.46 : x
  2. Step 2: Convert to fraction form
    874,523.07/1,207,143.86 = 512,063.46/x
  3. Step 3: Cross multiply
    874,523.07x = 1,207,143.86 × 512,063.46
  4. Step 4: Simplify right side
    874,523.07x = 618,134,259,109.04
  5. Step 5: Solve for x
    x = 618,134,259,109.04/874,523.07
  6. Step 6: Final answer
    x = 706,824.42

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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.