Home / 790,231.19-1,090,519.14-427,655.15

Finding the Fourth Proportional to 790,231.19, 1,090,519.14 and 427,655.15

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Solution

The fourth proportional to 790,231.19, 1,090,519.14 and 427,655.15 is: 590,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,231.19 : 1,090,519.14 = 427,655.15 : x
  2. Step 2: Convert to fraction form
    790,231.19/1,090,519.14 = 427,655.15/x
  3. Step 3: Cross multiply
    790,231.19x = 1,090,519.14 × 427,655.15
  4. Step 4: Simplify right side
    790,231.19x = 466,366,120,941.98
  5. Step 5: Solve for x
    x = 466,366,120,941.98/790,231.19
  6. Step 6: Final answer
    x = 590,164.16

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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.