Home / 770,477.96-1,155,429.56-264,895.80

Finding the Fourth Proportional to 770,477.96, 1,155,429.56 and 264,895.80

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Solution

The fourth proportional to 770,477.96, 1,155,429.56 and 264,895.80 is: 397,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,477.96 : 1,155,429.56 = 264,895.80 : x
  2. Step 2: Convert to fraction form
    770,477.96/1,155,429.56 = 264,895.80/x
  3. Step 3: Cross multiply
    770,477.96x = 1,155,429.56 × 264,895.80
  4. Step 4: Simplify right side
    770,477.96x = 306,068,437,639.85
  5. Step 5: Solve for x
    x = 306,068,437,639.85/770,477.96
  6. Step 6: Final answer
    x = 397,244.90

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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.