Home / 763,495.74-1,145,384.37-251,189.67

Finding the Fourth Proportional to 763,495.74, 1,145,384.37 and 251,189.67

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Solution

The fourth proportional to 763,495.74, 1,145,384.37 and 251,189.67 is: 376,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,495.74 : 1,145,384.37 = 251,189.67 : x
  2. Step 2: Convert to fraction form
    763,495.74/1,145,384.37 = 251,189.67/x
  3. Step 3: Cross multiply
    763,495.74x = 1,145,384.37 × 251,189.67
  4. Step 4: Simplify right side
    763,495.74x = 287,708,726,218.65
  5. Step 5: Solve for x
    x = 287,708,726,218.65/763,495.74
  6. Step 6: Final answer
    x = 376,830.82

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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.