Home / 790,186.42-1,090,457.24-427,610.28

Finding the Fourth Proportional to 790,186.42, 1,090,457.24 and 427,610.28

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Solution

The fourth proportional to 790,186.42, 1,090,457.24 and 427,610.28 is: 590,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,186.42 : 1,090,457.24 = 427,610.28 : x
  2. Step 2: Convert to fraction form
    790,186.42/1,090,457.24 = 427,610.28/x
  3. Step 3: Cross multiply
    790,186.42x = 1,090,457.24 × 427,610.28
  4. Step 4: Simplify right side
    790,186.42x = 466,290,725,724.43
  5. Step 5: Solve for x
    x = 466,290,725,724.43/790,186.42
  6. Step 6: Final answer
    x = 590,102.18

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1.5x scale

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.