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Finding the Fourth Proportional to 526,797.80, 789,030.30 and 433,485.80

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Solution

The fourth proportional to 526,797.80, 789,030.30 and 433,485.80 is: 649,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,797.80 : 789,030.30 = 433,485.80 : x
  2. Step 2: Convert to fraction form
    526,797.80/789,030.30 = 433,485.80/x
  3. Step 3: Cross multiply
    526,797.80x = 789,030.30 × 433,485.80
  4. Step 4: Simplify right side
    526,797.80x = 342,033,430,819.74
  5. Step 5: Solve for x
    x = 342,033,430,819.74/526,797.80
  6. Step 6: Final answer
    x = 649,268.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.