Home / 790,256.67-1,090,554.29-427,683.15

Finding the Fourth Proportional to 790,256.67, 1,090,554.29 and 427,683.15

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Solution

The fourth proportional to 790,256.67, 1,090,554.29 and 427,683.15 is: 590,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,256.67 : 1,090,554.29 = 427,683.15 : x
  2. Step 2: Convert to fraction form
    790,256.67/1,090,554.29 = 427,683.15/x
  3. Step 3: Cross multiply
    790,256.67x = 1,090,554.29 × 427,683.15
  4. Step 4: Simplify right side
    790,256.67x = 466,411,691,854.80
  5. Step 5: Solve for x
    x = 466,411,691,854.80/790,256.67
  6. Step 6: Final answer
    x = 590,202.79

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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.