Home / 751,045.12-1,036,483.77-428,858.71

Finding the Fourth Proportional to 751,045.12, 1,036,483.77 and 428,858.71

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Solution

The fourth proportional to 751,045.12, 1,036,483.77 and 428,858.71 is: 591,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,045.12 : 1,036,483.77 = 428,858.71 : x
  2. Step 2: Convert to fraction form
    751,045.12/1,036,483.77 = 428,858.71/x
  3. Step 3: Cross multiply
    751,045.12x = 1,036,483.77 × 428,858.71
  4. Step 4: Simplify right side
    751,045.12x = 444,505,092,538.14
  5. Step 5: Solve for x
    x = 444,505,092,538.14/751,045.12
  6. Step 6: Final answer
    x = 591,848.72

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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.