Home / 646,748.75-892,883.22-429,252.37

Finding the Fourth Proportional to 646,748.75, 892,883.22 and 429,252.37

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Solution

The fourth proportional to 646,748.75, 892,883.22 and 429,252.37 is: 592,613.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,748.75 : 892,883.22 = 429,252.37 : x
  2. Step 2: Convert to fraction form
    646,748.75/892,883.22 = 429,252.37/x
  3. Step 3: Cross multiply
    646,748.75x = 892,883.22 × 429,252.37
  4. Step 4: Simplify right side
    646,748.75x = 383,272,238,318.23
  5. Step 5: Solve for x
    x = 383,272,238,318.23/646,748.75
  6. Step 6: Final answer
    x = 592,613.81

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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.