Home / 790,239.30-1,090,530.14-427,663.24

Finding the Fourth Proportional to 790,239.30, 1,090,530.14 and 427,663.24

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Solution

The fourth proportional to 790,239.30, 1,090,530.14 and 427,663.24 is: 590,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,239.30 : 1,090,530.14 = 427,663.24 : x
  2. Step 2: Convert to fraction form
    790,239.30/1,090,530.14 = 427,663.24/x
  3. Step 3: Cross multiply
    790,239.30x = 1,090,530.14 × 427,663.24
  4. Step 4: Simplify right side
    790,239.30x = 466,379,652,990.05
  5. Step 5: Solve for x
    x = 466,379,652,990.05/790,239.30
  6. Step 6: Final answer
    x = 590,175.22

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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.