Home / 919,202.26-1,378,360.51-320,150.16

Finding the Fourth Proportional to 919,202.26, 1,378,360.51 and 320,150.16

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Solution

The fourth proportional to 919,202.26, 1,378,360.51 and 320,150.16 is: 480,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,202.26 : 1,378,360.51 = 320,150.16 : x
  2. Step 2: Convert to fraction form
    919,202.26/1,378,360.51 = 320,150.16/x
  3. Step 3: Cross multiply
    919,202.26x = 1,378,360.51 × 320,150.16
  4. Step 4: Simplify right side
    919,202.26x = 441,282,337,814.18
  5. Step 5: Solve for x
    x = 441,282,337,814.18/919,202.26
  6. Step 6: Final answer
    x = 480,070.99

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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.