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Finding the Fourth Proportional to 963,453, 1,329,468.26 and 533,652.84

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Solution

The fourth proportional to 963,453, 1,329,468.26 and 533,652.84 is: 736,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,453 : 1,329,468.26 = 533,652.84 : x
  2. Step 2: Convert to fraction form
    963,453/1,329,468.26 = 533,652.84/x
  3. Step 3: Cross multiply
    963,453x = 1,329,468.26 × 533,652.84
  4. Step 4: Simplify right side
    963,453x = 709,474,512,638.86
  5. Step 5: Solve for x
    x = 709,474,512,638.86/963,453
  6. Step 6: Final answer
    x = 736,387.26

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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.