Home / 864,626.98-1,296,987.77-359,239.06

Finding the Fourth Proportional to 864,626.98, 1,296,987.77 and 359,239.06

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Solution

The fourth proportional to 864,626.98, 1,296,987.77 and 359,239.06 is: 538,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,626.98 : 1,296,987.77 = 359,239.06 : x
  2. Step 2: Convert to fraction form
    864,626.98/1,296,987.77 = 359,239.06/x
  3. Step 3: Cross multiply
    864,626.98x = 1,296,987.77 × 359,239.06
  4. Step 4: Simplify right side
    864,626.98x = 465,928,667,326.30
  5. Step 5: Solve for x
    x = 465,928,667,326.30/864,626.98
  6. Step 6: Final answer
    x = 538,878.24

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1.5x scale

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.