Home / 775,917.52-1,070,642.83-436,320.16

Finding the Fourth Proportional to 775,917.52, 1,070,642.83 and 436,320.16

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Solution

The fourth proportional to 775,917.52, 1,070,642.83 and 436,320.16 is: 602,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,917.52 : 1,070,642.83 = 436,320.16 : x
  2. Step 2: Convert to fraction form
    775,917.52/1,070,642.83 = 436,320.16/x
  3. Step 3: Cross multiply
    775,917.52x = 1,070,642.83 × 436,320.16
  4. Step 4: Simplify right side
    775,917.52x = 467,143,050,950.33
  5. Step 5: Solve for x
    x = 467,143,050,950.33/775,917.52
  6. Step 6: Final answer
    x = 602,052.46

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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.