Home / 790,140.66-1,090,397.00-427,564.52

Finding the Fourth Proportional to 790,140.66, 1,090,397.00 and 427,564.52

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Solution

The fourth proportional to 790,140.66, 1,090,397.00 and 427,564.52 is: 590,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,140.66 : 1,090,397.00 = 427,564.52 : x
  2. Step 2: Convert to fraction form
    790,140.66/1,090,397.00 = 427,564.52/x
  3. Step 3: Cross multiply
    790,140.66x = 1,090,397.00 × 427,564.52
  4. Step 4: Simplify right side
    790,140.66x = 466,215,062,324.63
  5. Step 5: Solve for x
    x = 466,215,062,324.63/790,140.66
  6. Step 6: Final answer
    x = 590,040.59

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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.