Home / 790,144.16-1,090,401.83-427,568.02

Finding the Fourth Proportional to 790,144.16, 1,090,401.83 and 427,568.02

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Solution

The fourth proportional to 790,144.16, 1,090,401.83 and 427,568.02 is: 590,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,144.16 : 1,090,401.83 = 427,568.02 : x
  2. Step 2: Convert to fraction form
    790,144.16/1,090,401.83 = 427,568.02/x
  3. Step 3: Cross multiply
    790,144.16x = 1,090,401.83 × 427,568.02
  4. Step 4: Simplify right side
    790,144.16x = 466,220,951,457.48
  5. Step 5: Solve for x
    x = 466,220,951,457.48/790,144.16
  6. Step 6: Final answer
    x = 590,045.43

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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.