Home / 788,388.48-1,183,467.24-315,403.56

Finding the Fourth Proportional to 788,388.48, 1,183,467.24 and 315,403.56

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Solution

The fourth proportional to 788,388.48, 1,183,467.24 and 315,403.56 is: 473,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,388.48 : 1,183,467.24 = 315,403.56 : x
  2. Step 2: Convert to fraction form
    788,388.48/1,183,467.24 = 315,403.56/x
  3. Step 3: Cross multiply
    788,388.48x = 1,183,467.24 × 315,403.56
  4. Step 4: Simplify right side
    788,388.48x = 373,269,780,639.37
  5. Step 5: Solve for x
    x = 373,269,780,639.37/788,388.48
  6. Step 6: Final answer
    x = 473,459.20

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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.