Home / 751,213.12-1,036,730.28-464,899.72

Finding the Fourth Proportional to 751,213.12, 1,036,730.28 and 464,899.72

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Solution

The fourth proportional to 751,213.12, 1,036,730.28 and 464,899.72 is: 641,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,213.12 : 1,036,730.28 = 464,899.72 : x
  2. Step 2: Convert to fraction form
    751,213.12/1,036,730.28 = 464,899.72/x
  3. Step 3: Cross multiply
    751,213.12x = 1,036,730.28 × 464,899.72
  4. Step 4: Simplify right side
    751,213.12x = 481,975,616,887.52
  5. Step 5: Solve for x
    x = 481,975,616,887.52/751,213.12
  6. Step 6: Final answer
    x = 641,596.38

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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.