Home / 751,354.32-1,036,911.39-445,611.72

Finding the Fourth Proportional to 751,354.32, 1,036,911.39 and 445,611.72

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Solution

The fourth proportional to 751,354.32, 1,036,911.39 and 445,611.72 is: 614,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,354.32 : 1,036,911.39 = 445,611.72 : x
  2. Step 2: Convert to fraction form
    751,354.32/1,036,911.39 = 445,611.72/x
  3. Step 3: Cross multiply
    751,354.32x = 1,036,911.39 × 445,611.72
  4. Step 4: Simplify right side
    751,354.32x = 462,059,867,985.49
  5. Step 5: Solve for x
    x = 462,059,867,985.49/751,354.32
  6. Step 6: Final answer
    x = 614,969.34

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Double scale
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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.