Home / 850,482.09-1,275,699.80-370,709.60

Finding the Fourth Proportional to 850,482.09, 1,275,699.80 and 370,709.60

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Solution

The fourth proportional to 850,482.09, 1,275,699.80 and 370,709.60 is: 556,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,482.09 : 1,275,699.80 = 370,709.60 : x
  2. Step 2: Convert to fraction form
    850,482.09/1,275,699.80 = 370,709.60/x
  3. Step 3: Cross multiply
    850,482.09x = 1,275,699.80 × 370,709.60
  4. Step 4: Simplify right side
    850,482.09x = 472,914,154,346.03
  5. Step 5: Solve for x
    x = 472,914,154,346.03/850,482.09
  6. Step 6: Final answer
    x = 556,054.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.