Home / 783,744.24-1,081,589.40-477,838.32

Finding the Fourth Proportional to 783,744.24, 1,081,589.40 and 477,838.32

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Solution

The fourth proportional to 783,744.24, 1,081,589.40 and 477,838.32 is: 659,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,744.24 : 1,081,589.40 = 477,838.32 : x
  2. Step 2: Convert to fraction form
    783,744.24/1,081,589.40 = 477,838.32/x
  3. Step 3: Cross multiply
    783,744.24x = 1,081,589.40 × 477,838.32
  4. Step 4: Simplify right side
    783,744.24x = 516,824,861,825.81
  5. Step 5: Solve for x
    x = 516,824,861,825.81/783,744.24
  6. Step 6: Final answer
    x = 659,430.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.