Home / 847,165.20-1,169,011.80-465,183.60

Finding the Fourth Proportional to 847,165.20, 1,169,011.80 and 465,183.60

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Solution

The fourth proportional to 847,165.20, 1,169,011.80 and 465,183.60 is: 641,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,165.20 : 1,169,011.80 = 465,183.60 : x
  2. Step 2: Convert to fraction form
    847,165.20/1,169,011.80 = 465,183.60/x
  3. Step 3: Cross multiply
    847,165.20x = 1,169,011.80 × 465,183.60
  4. Step 4: Simplify right side
    847,165.20x = 543,805,117,566.48
  5. Step 5: Solve for x
    x = 543,805,117,566.48/847,165.20
  6. Step 6: Final answer
    x = 641,911.54

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1.5x scale

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.