Home / 775,883.72-1,070,632.50-436,344.68

Finding the Fourth Proportional to 775,883.72, 1,070,632.50 and 436,344.68

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Solution

The fourth proportional to 775,883.72, 1,070,632.50 and 436,344.68 is: 602,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,883.72 : 1,070,632.50 = 436,344.68 : x
  2. Step 2: Convert to fraction form
    775,883.72/1,070,632.50 = 436,344.68/x
  3. Step 3: Cross multiply
    775,883.72x = 1,070,632.50 × 436,344.68
  4. Step 4: Simplify right side
    775,883.72x = 467,164,795,610.10
  5. Step 5: Solve for x
    x = 467,164,795,610.10/775,883.72
  6. Step 6: Final answer
    x = 602,106.71

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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.