Home / 455,486.55-683,229.83-306,187.35

Finding the Fourth Proportional to 455,486.55, 683,229.83 and 306,187.35

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Solution

The fourth proportional to 455,486.55, 683,229.83 and 306,187.35 is: 459,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,486.55 : 683,229.83 = 306,187.35 : x
  2. Step 2: Convert to fraction form
    455,486.55/683,229.83 = 306,187.35/x
  3. Step 3: Cross multiply
    455,486.55x = 683,229.83 × 306,187.35
  4. Step 4: Simplify right side
    455,486.55x = 209,196,329,557.71
  5. Step 5: Solve for x
    x = 209,196,329,557.71/455,486.55
  6. Step 6: Final answer
    x = 459,281.03

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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.