Home / 947,613.07-1,421,210.82-273,547.96

Finding the Fourth Proportional to 947,613.07, 1,421,210.82 and 273,547.96

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Solution

The fourth proportional to 947,613.07, 1,421,210.82 and 273,547.96 is: 410,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,613.07 : 1,421,210.82 = 273,547.96 : x
  2. Step 2: Convert to fraction form
    947,613.07/1,421,210.82 = 273,547.96/x
  3. Step 3: Cross multiply
    947,613.07x = 1,421,210.82 × 273,547.96
  4. Step 4: Simplify right side
    947,613.07x = 388,769,320,540.93
  5. Step 5: Solve for x
    x = 388,769,320,540.93/947,613.07
  6. Step 6: Final answer
    x = 410,261.67

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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.