Home / 875,662.38-1,208,435.49-488,475.04

Finding the Fourth Proportional to 875,662.38, 1,208,435.49 and 488,475.04

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Solution

The fourth proportional to 875,662.38, 1,208,435.49 and 488,475.04 is: 674,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,662.38 : 1,208,435.49 = 488,475.04 : x
  2. Step 2: Convert to fraction form
    875,662.38/1,208,435.49 = 488,475.04/x
  3. Step 3: Cross multiply
    875,662.38x = 1,208,435.49 × 488,475.04
  4. Step 4: Simplify right side
    875,662.38x = 590,290,577,015.02
  5. Step 5: Solve for x
    x = 590,290,577,015.02/875,662.38
  6. Step 6: Final answer
    x = 674,107.50

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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.