Home / 775,819.38-1,070,603.71-426,927.18

Finding the Fourth Proportional to 775,819.38, 1,070,603.71 and 426,927.18

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Solution

The fourth proportional to 775,819.38, 1,070,603.71 and 426,927.18 is: 589,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,819.38 : 1,070,603.71 = 426,927.18 : x
  2. Step 2: Convert to fraction form
    775,819.38/1,070,603.71 = 426,927.18/x
  3. Step 3: Cross multiply
    775,819.38x = 1,070,603.71 × 426,927.18
  4. Step 4: Simplify right side
    775,819.38x = 457,069,825,755.28
  5. Step 5: Solve for x
    x = 457,069,825,755.28/775,819.38
  6. Step 6: Final answer
    x = 589,144.63

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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.