Home / 984,913.60-1,477,348.80-274,921.60

Finding the Fourth Proportional to 984,913.60, 1,477,348.80 and 274,921.60

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Solution

The fourth proportional to 984,913.60, 1,477,348.80 and 274,921.60 is: 412,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,913.60 : 1,477,348.80 = 274,921.60 : x
  2. Step 2: Convert to fraction form
    984,913.60/1,477,348.80 = 274,921.60/x
  3. Step 3: Cross multiply
    984,913.60x = 1,477,348.80 × 274,921.60
  4. Step 4: Simplify right side
    984,913.60x = 406,155,095,854.08
  5. Step 5: Solve for x
    x = 406,155,095,854.08/984,913.60
  6. Step 6: Final answer
    x = 412,376.37

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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.