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Finding the Fourth Proportional to 723,907.68, 999,019.26 and 437,372.34

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Solution

The fourth proportional to 723,907.68, 999,019.26 and 437,372.34 is: 603,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,907.68 : 999,019.26 = 437,372.34 : x
  2. Step 2: Convert to fraction form
    723,907.68/999,019.26 = 437,372.34/x
  3. Step 3: Cross multiply
    723,907.68x = 999,019.26 × 437,372.34
  4. Step 4: Simplify right side
    723,907.68x = 436,943,391,451.27
  5. Step 5: Solve for x
    x = 436,943,391,451.27/723,907.68
  6. Step 6: Final answer
    x = 603,589.94

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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.