Home / 648,056.70-971,307.45-332,351.10

Finding the Fourth Proportional to 648,056.70, 971,307.45 and 332,351.10

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Solution

The fourth proportional to 648,056.70, 971,307.45 and 332,351.10 is: 498,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,056.70 : 971,307.45 = 332,351.10 : x
  2. Step 2: Convert to fraction form
    648,056.70/971,307.45 = 332,351.10/x
  3. Step 3: Cross multiply
    648,056.70x = 971,307.45 × 332,351.10
  4. Step 4: Simplify right side
    648,056.70x = 322,815,099,445.70
  5. Step 5: Solve for x
    x = 322,815,099,445.70/648,056.70
  6. Step 6: Final answer
    x = 498,127.86

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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.