Home / 638,066.08-880,526.64-351,579.36

Finding the Fourth Proportional to 638,066.08, 880,526.64 and 351,579.36

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Solution

The fourth proportional to 638,066.08, 880,526.64 and 351,579.36 is: 485,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,066.08 : 880,526.64 = 351,579.36 : x
  2. Step 2: Convert to fraction form
    638,066.08/880,526.64 = 351,579.36/x
  3. Step 3: Cross multiply
    638,066.08x = 880,526.64 × 351,579.36
  4. Step 4: Simplify right side
    638,066.08x = 309,574,992,554.15
  5. Step 5: Solve for x
    x = 309,574,992,554.15/638,066.08
  6. Step 6: Final answer
    x = 485,177.01

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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.