Home / 648,031.60-971,561.40-332,714.80

Finding the Fourth Proportional to 648,031.60, 971,561.40 and 332,714.80

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Solution

The fourth proportional to 648,031.60, 971,561.40 and 332,714.80 is: 498,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,031.60 : 971,561.40 = 332,714.80 : x
  2. Step 2: Convert to fraction form
    648,031.60/971,561.40 = 332,714.80/x
  3. Step 3: Cross multiply
    648,031.60x = 971,561.40 × 332,714.80
  4. Step 4: Simplify right side
    648,031.60x = 323,252,856,888.72
  5. Step 5: Solve for x
    x = 323,252,856,888.72/648,031.60
  6. Step 6: Final answer
    x = 498,822.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.