Home / 847,404.69-1,270,993.91-314,853.45

Finding the Fourth Proportional to 847,404.69, 1,270,993.91 and 314,853.45

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Solution

The fourth proportional to 847,404.69, 1,270,993.91 and 314,853.45 is: 472,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,404.69 : 1,270,993.91 = 314,853.45 : x
  2. Step 2: Convert to fraction form
    847,404.69/1,270,993.91 = 314,853.45/x
  3. Step 3: Cross multiply
    847,404.69x = 1,270,993.91 × 314,853.45
  4. Step 4: Simplify right side
    847,404.69x = 400,176,815,918.22
  5. Step 5: Solve for x
    x = 400,176,815,918.22/847,404.69
  6. Step 6: Final answer
    x = 472,238.14

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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.