Home / 751,053.64-1,036,495.50-428,867.20

Finding the Fourth Proportional to 751,053.64, 1,036,495.50 and 428,867.20

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Solution

The fourth proportional to 751,053.64, 1,036,495.50 and 428,867.20 is: 591,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,053.64 : 1,036,495.50 = 428,867.20 : x
  2. Step 2: Convert to fraction form
    751,053.64/1,036,495.50 = 428,867.20/x
  3. Step 3: Cross multiply
    751,053.64x = 1,036,495.50 × 428,867.20
  4. Step 4: Simplify right side
    751,053.64x = 444,518,922,897.60
  5. Step 5: Solve for x
    x = 444,518,922,897.60/751,053.64
  6. Step 6: Final answer
    x = 591,860.42

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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.