Home / 910,441.80-1,365,533.10-311,430.60

Finding the Fourth Proportional to 910,441.80, 1,365,533.10 and 311,430.60

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Solution

The fourth proportional to 910,441.80, 1,365,533.10 and 311,430.60 is: 467,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,441.80 : 1,365,533.10 = 311,430.60 : x
  2. Step 2: Convert to fraction form
    910,441.80/1,365,533.10 = 311,430.60/x
  3. Step 3: Cross multiply
    910,441.80x = 1,365,533.10 × 311,430.60
  4. Step 4: Simplify right side
    910,441.80x = 425,268,792,652.86
  5. Step 5: Solve for x
    x = 425,268,792,652.86/910,441.80
  6. Step 6: Final answer
    x = 467,101.57

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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.