Home / 638,087.48-880,579.54-351,626.02

Finding the Fourth Proportional to 638,087.48, 880,579.54 and 351,626.02

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Solution

The fourth proportional to 638,087.48, 880,579.54 and 351,626.02 is: 485,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,087.48 : 880,579.54 = 351,626.02 : x
  2. Step 2: Convert to fraction form
    638,087.48/880,579.54 = 351,626.02/x
  3. Step 3: Cross multiply
    638,087.48x = 880,579.54 × 351,626.02
  4. Step 4: Simplify right side
    638,087.48x = 309,634,678,943.63
  5. Step 5: Solve for x
    x = 309,634,678,943.63/638,087.48
  6. Step 6: Final answer
    x = 485,254.28

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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.