Home / 999,736.55-1,500,213.81-359,986.80

Finding the Fourth Proportional to 999,736.55, 1,500,213.81 and 359,986.80

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Solution

The fourth proportional to 999,736.55, 1,500,213.81 and 359,986.80 is: 540,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,736.55 : 1,500,213.81 = 359,986.80 : x
  2. Step 2: Convert to fraction form
    999,736.55/1,500,213.81 = 359,986.80/x
  3. Step 3: Cross multiply
    999,736.55x = 1,500,213.81 × 359,986.80
  4. Step 4: Simplify right side
    999,736.55x = 540,057,168,777.71
  5. Step 5: Solve for x
    x = 540,057,168,777.71/999,736.55
  6. Step 6: Final answer
    x = 540,199.48

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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.