Home / 850,814.68-1,174,149.40-468,866.20

Finding the Fourth Proportional to 850,814.68, 1,174,149.40 and 468,866.20

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Solution

The fourth proportional to 850,814.68, 1,174,149.40 and 468,866.20 is: 647,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,814.68 : 1,174,149.40 = 468,866.20 : x
  2. Step 2: Convert to fraction form
    850,814.68/1,174,149.40 = 468,866.20/x
  3. Step 3: Cross multiply
    850,814.68x = 1,174,149.40 × 468,866.20
  4. Step 4: Simplify right side
    850,814.68x = 550,518,967,410.28
  5. Step 5: Solve for x
    x = 550,518,967,410.28/850,814.68
  6. Step 6: Final answer
    x = 647,049.21

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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.