Home / 789,491.36-1,184,703.60-291,205.28

Finding the Fourth Proportional to 789,491.36, 1,184,703.60 and 291,205.28

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Solution

The fourth proportional to 789,491.36, 1,184,703.60 and 291,205.28 is: 436,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,491.36 : 1,184,703.60 = 291,205.28 : x
  2. Step 2: Convert to fraction form
    789,491.36/1,184,703.60 = 291,205.28/x
  3. Step 3: Cross multiply
    789,491.36x = 1,184,703.60 × 291,205.28
  4. Step 4: Simplify right side
    789,491.36x = 344,991,943,555.01
  5. Step 5: Solve for x
    x = 344,991,943,555.01/789,491.36
  6. Step 6: Final answer
    x = 436,980.01

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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.