Home / 759,206.52-1,138,808.88-310,138.44

Finding the Fourth Proportional to 759,206.52, 1,138,808.88 and 310,138.44

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Solution

The fourth proportional to 759,206.52, 1,138,808.88 and 310,138.44 is: 465,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,206.52 : 1,138,808.88 = 310,138.44 : x
  2. Step 2: Convert to fraction form
    759,206.52/1,138,808.88 = 310,138.44/x
  3. Step 3: Cross multiply
    759,206.52x = 1,138,808.88 × 310,138.44
  4. Step 4: Simplify right side
    759,206.52x = 353,188,409,501.35
  5. Step 5: Solve for x
    x = 353,188,409,501.35/759,206.52
  6. Step 6: Final answer
    x = 465,207.29

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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.