Home / 850,578.50-1,173,784.56-463,398.54

Finding the Fourth Proportional to 850,578.50, 1,173,784.56 and 463,398.54

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Solution

The fourth proportional to 850,578.50, 1,173,784.56 and 463,398.54 is: 639,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,578.50 : 1,173,784.56 = 463,398.54 : x
  2. Step 2: Convert to fraction form
    850,578.50/1,173,784.56 = 463,398.54/x
  3. Step 3: Cross multiply
    850,578.50x = 1,173,784.56 × 463,398.54
  4. Step 4: Simplify right side
    850,578.50x = 543,930,051,378.54
  5. Step 5: Solve for x
    x = 543,930,051,378.54/850,578.50
  6. Step 6: Final answer
    x = 639,482.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.