Home / 648,064.70-971,319.45-332,359.10

Finding the Fourth Proportional to 648,064.70, 971,319.45 and 332,359.10

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Solution

The fourth proportional to 648,064.70, 971,319.45 and 332,359.10 is: 498,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,064.70 : 971,319.45 = 332,359.10 : x
  2. Step 2: Convert to fraction form
    648,064.70/971,319.45 = 332,359.10/x
  3. Step 3: Cross multiply
    648,064.70x = 971,319.45 × 332,359.10
  4. Step 4: Simplify right side
    648,064.70x = 322,826,858,214.50
  5. Step 5: Solve for x
    x = 322,826,858,214.50/648,064.70
  6. Step 6: Final answer
    x = 498,139.86

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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.