Home / 789,868.58-1,184,925.71-257,265.63

Finding the Fourth Proportional to 789,868.58, 1,184,925.71 and 257,265.63

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Solution

The fourth proportional to 789,868.58, 1,184,925.71 and 257,265.63 is: 385,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,868.58 : 1,184,925.71 = 257,265.63 : x
  2. Step 2: Convert to fraction form
    789,868.58/1,184,925.71 = 257,265.63/x
  3. Step 3: Cross multiply
    789,868.58x = 1,184,925.71 × 257,265.63
  4. Step 4: Simplify right side
    789,868.58x = 304,840,659,929.51
  5. Step 5: Solve for x
    x = 304,840,659,929.51/789,868.58
  6. Step 6: Final answer
    x = 385,938.46

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1.5x scale

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.