Home / 646,527.83-892,144.55-360,074.57

Finding the Fourth Proportional to 646,527.83, 892,144.55 and 360,074.57

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Solution

The fourth proportional to 646,527.83, 892,144.55 and 360,074.57 is: 496,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,527.83 : 892,144.55 = 360,074.57 : x
  2. Step 2: Convert to fraction form
    646,527.83/892,144.55 = 360,074.57/x
  3. Step 3: Cross multiply
    646,527.83x = 892,144.55 × 360,074.57
  4. Step 4: Simplify right side
    646,527.83x = 321,238,563,418.72
  5. Step 5: Solve for x
    x = 321,238,563,418.72/646,527.83
  6. Step 6: Final answer
    x = 496,867.34

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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.