Home / 997,457.60-1,494,080.40-660,659.60

Finding the Fourth Proportional to 997,457.60, 1,494,080.40 and 660,659.60

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Solution

The fourth proportional to 997,457.60, 1,494,080.40 and 660,659.60 is: 989,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,457.60 : 1,494,080.40 = 660,659.60 : x
  2. Step 2: Convert to fraction form
    997,457.60/1,494,080.40 = 660,659.60/x
  3. Step 3: Cross multiply
    997,457.60x = 1,494,080.40 × 660,659.60
  4. Step 4: Simplify right side
    997,457.60x = 987,078,559,431.84
  5. Step 5: Solve for x
    x = 987,078,559,431.84/997,457.60
  6. Step 6: Final answer
    x = 989,594.50

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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.