Home / 900,245.39-1,348,987.61-611,689.53

Finding the Fourth Proportional to 900,245.39, 1,348,987.61 and 611,689.53

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Solution

The fourth proportional to 900,245.39, 1,348,987.61 and 611,689.53 is: 916,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,245.39 : 1,348,987.61 = 611,689.53 : x
  2. Step 2: Convert to fraction form
    900,245.39/1,348,987.61 = 611,689.53/x
  3. Step 3: Cross multiply
    900,245.39x = 1,348,987.61 × 611,689.53
  4. Step 4: Simplify right side
    900,245.39x = 825,161,603,724.65
  5. Step 5: Solve for x
    x = 825,161,603,724.65/900,245.39
  6. Step 6: Final answer
    x = 916,596.32

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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.