Home / 687,841.65-1,031,785.74-182,453.67

Finding the Fourth Proportional to 687,841.65, 1,031,785.74 and 182,453.67

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Solution

The fourth proportional to 687,841.65, 1,031,785.74 and 182,453.67 is: 273,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,841.65 : 1,031,785.74 = 182,453.67 : x
  2. Step 2: Convert to fraction form
    687,841.65/1,031,785.74 = 182,453.67/x
  3. Step 3: Cross multiply
    687,841.65x = 1,031,785.74 × 182,453.67
  4. Step 4: Simplify right side
    687,841.65x = 188,253,094,916.67
  5. Step 5: Solve for x
    x = 188,253,094,916.67/687,841.65
  6. Step 6: Final answer
    x = 273,686.68

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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.