Home / 961,245.51-1,442,011.59-353,987.12

Finding the Fourth Proportional to 961,245.51, 1,442,011.59 and 353,987.12

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Solution

The fourth proportional to 961,245.51, 1,442,011.59 and 353,987.12 is: 531,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,245.51 : 1,442,011.59 = 353,987.12 : x
  2. Step 2: Convert to fraction form
    961,245.51/1,442,011.59 = 353,987.12/x
  3. Step 3: Cross multiply
    961,245.51x = 1,442,011.59 × 353,987.12
  4. Step 4: Simplify right side
    961,245.51x = 510,453,522,540.66
  5. Step 5: Solve for x
    x = 510,453,522,540.66/961,245.51
  6. Step 6: Final answer
    x = 531,033.45

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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.