Home / 759,404.19-1,139,107.39-310,125.06

Finding the Fourth Proportional to 759,404.19, 1,139,107.39 and 310,125.06

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Solution

The fourth proportional to 759,404.19, 1,139,107.39 and 310,125.06 is: 465,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,404.19 : 1,139,107.39 = 310,125.06 : x
  2. Step 2: Convert to fraction form
    759,404.19/1,139,107.39 = 310,125.06/x
  3. Step 3: Cross multiply
    759,404.19x = 1,139,107.39 × 310,125.06
  4. Step 4: Simplify right side
    759,404.19x = 353,265,746,894.88
  5. Step 5: Solve for x
    x = 353,265,746,894.88/759,404.19
  6. Step 6: Final answer
    x = 465,188.04

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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.