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Finding the Fourth Proportional to 646,762.85, 892,559.63 and 360,282.86

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Solution

The fourth proportional to 646,762.85, 892,559.63 and 360,282.86 is: 497,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,762.85 : 892,559.63 = 360,282.86 : x
  2. Step 2: Convert to fraction form
    646,762.85/892,559.63 = 360,282.86/x
  3. Step 3: Cross multiply
    646,762.85x = 892,559.63 × 360,282.86
  4. Step 4: Simplify right side
    646,762.85x = 321,573,936,216.94
  5. Step 5: Solve for x
    x = 321,573,936,216.94/646,762.85
  6. Step 6: Final answer
    x = 497,205.33

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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.