Home / 933,975.95-1,288,504.41-689,545.49

Finding the Fourth Proportional to 933,975.95, 1,288,504.41 and 689,545.49

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Solution

The fourth proportional to 933,975.95, 1,288,504.41 and 689,545.49 is: 951,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,975.95 : 1,288,504.41 = 689,545.49 : x
  2. Step 2: Convert to fraction form
    933,975.95/1,288,504.41 = 689,545.49/x
  3. Step 3: Cross multiply
    933,975.95x = 1,288,504.41 × 689,545.49
  4. Step 4: Simplify right side
    933,975.95x = 888,482,404,760.61
  5. Step 5: Solve for x
    x = 888,482,404,760.61/933,975.95
  6. Step 6: Final answer
    x = 951,290.45

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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.