Home / 646,560.75-892,281.52-360,080.84

Finding the Fourth Proportional to 646,560.75, 892,281.52 and 360,080.84

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Solution

The fourth proportional to 646,560.75, 892,281.52 and 360,080.84 is: 496,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,560.75 : 892,281.52 = 360,080.84 : x
  2. Step 2: Convert to fraction form
    646,560.75/892,281.52 = 360,080.84/x
  3. Step 3: Cross multiply
    646,560.75x = 892,281.52 × 360,080.84
  4. Step 4: Simplify right side
    646,560.75x = 321,293,479,238.08
  5. Step 5: Solve for x
    x = 321,293,479,238.08/646,560.75
  6. Step 6: Final answer
    x = 496,926.98

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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.