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Finding the Fourth Proportional to 933,880.16, 1,400,967.64 and 326,838

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Solution

The fourth proportional to 933,880.16, 1,400,967.64 and 326,838 is: 490,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,880.16 : 1,400,967.64 = 326,838 : x
  2. Step 2: Convert to fraction form
    933,880.16/1,400,967.64 = 326,838/x
  3. Step 3: Cross multiply
    933,880.16x = 1,400,967.64 × 326,838
  4. Step 4: Simplify right side
    933,880.16x = 457,889,461,522.32
  5. Step 5: Solve for x
    x = 457,889,461,522.32/933,880.16
  6. Step 6: Final answer
    x = 490,308.59

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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.