Home / 790,287.64-1,090,598.26-427,711.88

Finding the Fourth Proportional to 790,287.64, 1,090,598.26 and 427,711.88

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Solution

The fourth proportional to 790,287.64, 1,090,598.26 and 427,711.88 is: 590,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,287.64 : 1,090,598.26 = 427,711.88 : x
  2. Step 2: Convert to fraction form
    790,287.64/1,090,598.26 = 427,711.88/x
  3. Step 3: Cross multiply
    790,287.64x = 1,090,598.26 × 427,711.88
  4. Step 4: Simplify right side
    790,287.64x = 466,461,832,109.33
  5. Step 5: Solve for x
    x = 466,461,832,109.33/790,287.64
  6. Step 6: Final answer
    x = 590,243.11

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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.