Home / 875,458.57-1,208,151.31-493,485.25

Finding the Fourth Proportional to 875,458.57, 1,208,151.31 and 493,485.25

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Solution

The fourth proportional to 875,458.57, 1,208,151.31 and 493,485.25 is: 681,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,458.57 : 1,208,151.31 = 493,485.25 : x
  2. Step 2: Convert to fraction form
    875,458.57/1,208,151.31 = 493,485.25/x
  3. Step 3: Cross multiply
    875,458.57x = 1,208,151.31 × 493,485.25
  4. Step 4: Simplify right side
    875,458.57x = 596,204,845,488.90
  5. Step 5: Solve for x
    x = 596,204,845,488.90/875,458.57
  6. Step 6: Final answer
    x = 681,020.06

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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.