Home / 947,741.43-1,421,861.49-340,591.08

Finding the Fourth Proportional to 947,741.43, 1,421,861.49 and 340,591.08

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Solution

The fourth proportional to 947,741.43, 1,421,861.49 and 340,591.08 is: 510,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,741.43 : 1,421,861.49 = 340,591.08 : x
  2. Step 2: Convert to fraction form
    947,741.43/1,421,861.49 = 340,591.08/x
  3. Step 3: Cross multiply
    947,741.43x = 1,421,861.49 × 340,591.08
  4. Step 4: Simplify right side
    947,741.43x = 484,273,340,489.51
  5. Step 5: Solve for x
    x = 484,273,340,489.51/947,741.43
  6. Step 6: Final answer
    x = 510,976.23

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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.