Home / 875,436.40-1,208,029.84-493,557.04

Finding the Fourth Proportional to 875,436.40, 1,208,029.84 and 493,557.04

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Solution

The fourth proportional to 875,436.40, 1,208,029.84 and 493,557.04 is: 681,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,436.40 : 1,208,029.84 = 493,557.04 : x
  2. Step 2: Convert to fraction form
    875,436.40/1,208,029.84 = 493,557.04/x
  3. Step 3: Cross multiply
    875,436.40x = 1,208,029.84 × 493,557.04
  4. Step 4: Simplify right side
    875,436.40x = 596,231,632,062.07
  5. Step 5: Solve for x
    x = 596,231,632,062.07/875,436.40
  6. Step 6: Final answer
    x = 681,067.90

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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.