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Finding the Fourth Proportional to 662,085.60, 992,107.80 and 492,811.80

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Solution

The fourth proportional to 662,085.60, 992,107.80 and 492,811.80 is: 738,458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,085.60 : 992,107.80 = 492,811.80 : x
  2. Step 2: Convert to fraction form
    662,085.60/992,107.80 = 492,811.80/x
  3. Step 3: Cross multiply
    662,085.60x = 992,107.80 × 492,811.80
  4. Step 4: Simplify right side
    662,085.60x = 488,922,430,712.04
  5. Step 5: Solve for x
    x = 488,922,430,712.04/662,085.60
  6. Step 6: Final answer
    x = 738,458.03

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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.