Home / 759,900.06-1,048,658.27-415,729.76

Finding the Fourth Proportional to 759,900.06, 1,048,658.27 and 415,729.76

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Solution

The fourth proportional to 759,900.06, 1,048,658.27 and 415,729.76 is: 573,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,900.06 : 1,048,658.27 = 415,729.76 : x
  2. Step 2: Convert to fraction form
    759,900.06/1,048,658.27 = 415,729.76/x
  3. Step 3: Cross multiply
    759,900.06x = 1,048,658.27 × 415,729.76
  4. Step 4: Simplify right side
    759,900.06x = 435,958,443,587.18
  5. Step 5: Solve for x
    x = 435,958,443,587.18/759,900.06
  6. Step 6: Final answer
    x = 573,704.97

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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.