Home / 789,913.50-1,184,158.98-284,118.95

Finding the Fourth Proportional to 789,913.50, 1,184,158.98 and 284,118.95

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Solution

The fourth proportional to 789,913.50, 1,184,158.98 and 284,118.95 is: 425,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,913.50 : 1,184,158.98 = 284,118.95 : x
  2. Step 2: Convert to fraction form
    789,913.50/1,184,158.98 = 284,118.95/x
  3. Step 3: Cross multiply
    789,913.50x = 1,184,158.98 × 284,118.95
  4. Step 4: Simplify right side
    789,913.50x = 336,442,000,109.88
  5. Step 5: Solve for x
    x = 336,442,000,109.88/789,913.50
  6. Step 6: Final answer
    x = 425,922.59

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1.5x scale

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.