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Finding the Fourth Proportional to 933,697, 1,288,559.46 and 531,288.04

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Solution

The fourth proportional to 933,697, 1,288,559.46 and 531,288.04 is: 733,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,697 : 1,288,559.46 = 531,288.04 : x
  2. Step 2: Convert to fraction form
    933,697/1,288,559.46 = 531,288.04/x
  3. Step 3: Cross multiply
    933,697x = 1,288,559.46 × 531,288.04
  4. Step 4: Simplify right side
    933,697x = 684,596,229,926.86
  5. Step 5: Solve for x
    x = 684,596,229,926.86/933,697
  6. Step 6: Final answer
    x = 733,210.27

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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.