Home / 741,613.76-1,112,322.27-209,177.67

Finding the Fourth Proportional to 741,613.76, 1,112,322.27 and 209,177.67

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Solution

The fourth proportional to 741,613.76, 1,112,322.27 and 209,177.67 is: 313,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,613.76 : 1,112,322.27 = 209,177.67 : x
  2. Step 2: Convert to fraction form
    741,613.76/1,112,322.27 = 209,177.67/x
  3. Step 3: Cross multiply
    741,613.76x = 1,112,322.27 × 209,177.67
  4. Step 4: Simplify right side
    741,613.76x = 232,672,985,683.34
  5. Step 5: Solve for x
    x = 232,672,985,683.34/741,613.76
  6. Step 6: Final answer
    x = 313,738.77

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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.