Home / 751,445.74-1,037,007.75-407,292.58

Finding the Fourth Proportional to 751,445.74, 1,037,007.75 and 407,292.58

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Solution

The fourth proportional to 751,445.74, 1,037,007.75 and 407,292.58 is: 562,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,445.74 : 1,037,007.75 = 407,292.58 : x
  2. Step 2: Convert to fraction form
    751,445.74/1,037,007.75 = 407,292.58/x
  3. Step 3: Cross multiply
    751,445.74x = 1,037,007.75 × 407,292.58
  4. Step 4: Simplify right side
    751,445.74x = 422,365,561,977.50
  5. Step 5: Solve for x
    x = 422,365,561,977.50/751,445.74
  6. Step 6: Final answer
    x = 562,070.61

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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.