Home / 789,082.60-1,184,109.90-340,018.60

Finding the Fourth Proportional to 789,082.60, 1,184,109.90 and 340,018.60

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Solution

The fourth proportional to 789,082.60, 1,184,109.90 and 340,018.60 is: 510,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,082.60 : 1,184,109.90 = 340,018.60 : x
  2. Step 2: Convert to fraction form
    789,082.60/1,184,109.90 = 340,018.60/x
  3. Step 3: Cross multiply
    789,082.60x = 1,184,109.90 × 340,018.60
  4. Step 4: Simplify right side
    789,082.60x = 402,619,390,444.14
  5. Step 5: Solve for x
    x = 402,619,390,444.14/789,082.60
  6. Step 6: Final answer
    x = 510,237.32

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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.