Home / 789,890.42-1,184,884.86-316,514.27

Finding the Fourth Proportional to 789,890.42, 1,184,884.86 and 316,514.27

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Solution

The fourth proportional to 789,890.42, 1,184,884.86 and 316,514.27 is: 474,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,890.42 : 1,184,884.86 = 316,514.27 : x
  2. Step 2: Convert to fraction form
    789,890.42/1,184,884.86 = 316,514.27/x
  3. Step 3: Cross multiply
    789,890.42x = 1,184,884.86 × 316,514.27
  4. Step 4: Simplify right side
    789,890.42x = 375,032,960,572.53
  5. Step 5: Solve for x
    x = 375,032,960,572.53/789,890.42
  6. Step 6: Final answer
    x = 474,791.13

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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.