Home / 789,897.20-1,184,320.68-435,078

Finding the Fourth Proportional to 789,897.20, 1,184,320.68 and 435,078

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Solution

The fourth proportional to 789,897.20, 1,184,320.68 and 435,078 is: 652,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,897.20 : 1,184,320.68 = 435,078 : x
  2. Step 2: Convert to fraction form
    789,897.20/1,184,320.68 = 435,078/x
  3. Step 3: Cross multiply
    789,897.20x = 1,184,320.68 × 435,078
  4. Step 4: Simplify right side
    789,897.20x = 515,271,872,813.04
  5. Step 5: Solve for x
    x = 515,271,872,813.04/789,897.20
  6. Step 6: Final answer
    x = 652,327.76

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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.