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Finding the Fourth Proportional to 580,275.28, 800,795.73 and 325,642.06

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Solution

The fourth proportional to 580,275.28, 800,795.73 and 325,642.06 is: 449,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,275.28 : 800,795.73 = 325,642.06 : x
  2. Step 2: Convert to fraction form
    580,275.28/800,795.73 = 325,642.06/x
  3. Step 3: Cross multiply
    580,275.28x = 800,795.73 × 325,642.06
  4. Step 4: Simplify right side
    580,275.28x = 260,772,771,156.40
  5. Step 5: Solve for x
    x = 260,772,771,156.40/580,275.28
  6. Step 6: Final answer
    x = 449,394.93

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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.