Home / 759,402.06-1,139,104.20-310,122.93

Finding the Fourth Proportional to 759,402.06, 1,139,104.20 and 310,122.93

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Solution

The fourth proportional to 759,402.06, 1,139,104.20 and 310,122.93 is: 465,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,402.06 : 1,139,104.20 = 310,122.93 : x
  2. Step 2: Convert to fraction form
    759,402.06/1,139,104.20 = 310,122.93/x
  3. Step 3: Cross multiply
    759,402.06x = 1,139,104.20 × 310,122.93
  4. Step 4: Simplify right side
    759,402.06x = 353,262,330,528.69
  5. Step 5: Solve for x
    x = 353,262,330,528.69/759,402.06
  6. Step 6: Final answer
    x = 465,184.85

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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.