Home / 455,318.51-683,543.64-294,869.25

Finding the Fourth Proportional to 455,318.51, 683,543.64 and 294,869.25

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Solution

The fourth proportional to 455,318.51, 683,543.64 and 294,869.25 is: 442,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,318.51 : 683,543.64 = 294,869.25 : x
  2. Step 2: Convert to fraction form
    455,318.51/683,543.64 = 294,869.25/x
  3. Step 3: Cross multiply
    455,318.51x = 683,543.64 × 294,869.25
  4. Step 4: Simplify right side
    455,318.51x = 201,556,000,469.07
  5. Step 5: Solve for x
    x = 201,556,000,469.07/455,318.51
  6. Step 6: Final answer
    x = 442,670.35

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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.