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Finding the Fourth Proportional to 580,528.53, 801,131.34 and 322,406.15

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Solution

The fourth proportional to 580,528.53, 801,131.34 and 322,406.15 is: 444,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,528.53 : 801,131.34 = 322,406.15 : x
  2. Step 2: Convert to fraction form
    580,528.53/801,131.34 = 322,406.15/x
  3. Step 3: Cross multiply
    580,528.53x = 801,131.34 × 322,406.15
  4. Step 4: Simplify right side
    580,528.53x = 258,289,666,968.08
  5. Step 5: Solve for x
    x = 258,289,666,968.08/580,528.53
  6. Step 6: Final answer
    x = 444,921.57

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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.