Home / 930,911.68-1,396,339.68-257,034.24

Finding the Fourth Proportional to 930,911.68, 1,396,339.68 and 257,034.24

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Solution

The fourth proportional to 930,911.68, 1,396,339.68 and 257,034.24 is: 385,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,911.68 : 1,396,339.68 = 257,034.24 : x
  2. Step 2: Convert to fraction form
    930,911.68/1,396,339.68 = 257,034.24/x
  3. Step 3: Cross multiply
    930,911.68x = 1,396,339.68 × 257,034.24
  4. Step 4: Simplify right side
    930,911.68x = 358,907,108,430.64
  5. Step 5: Solve for x
    x = 358,907,108,430.64/930,911.68
  6. Step 6: Final answer
    x = 385,543.67

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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.