Home / 790,950.21-1,186,427.01-285,867.75

Finding the Fourth Proportional to 790,950.21, 1,186,427.01 and 285,867.75

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Solution

The fourth proportional to 790,950.21, 1,186,427.01 and 285,867.75 is: 428,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,950.21 : 1,186,427.01 = 285,867.75 : x
  2. Step 2: Convert to fraction form
    790,950.21/1,186,427.01 = 285,867.75/x
  3. Step 3: Cross multiply
    790,950.21x = 1,186,427.01 × 285,867.75
  4. Step 4: Simplify right side
    790,950.21x = 339,161,219,887.93
  5. Step 5: Solve for x
    x = 339,161,219,887.93/790,950.21
  6. Step 6: Final answer
    x = 428,802.24

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Double scale
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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.