Home / 790,035.12-1,090,243.80-450,496.08

Finding the Fourth Proportional to 790,035.12, 1,090,243.80 and 450,496.08

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Solution

The fourth proportional to 790,035.12, 1,090,243.80 and 450,496.08 is: 621,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,035.12 : 1,090,243.80 = 450,496.08 : x
  2. Step 2: Convert to fraction form
    790,035.12/1,090,243.80 = 450,496.08/x
  3. Step 3: Cross multiply
    790,035.12x = 1,090,243.80 × 450,496.08
  4. Step 4: Simplify right side
    790,035.12x = 491,150,558,144.30
  5. Step 5: Solve for x
    x = 491,150,558,144.30/790,035.12
  6. Step 6: Final answer
    x = 621,681.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.