Home / 455,834.80-683,752.20-314,117.20

Finding the Fourth Proportional to 455,834.80, 683,752.20 and 314,117.20

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Solution

The fourth proportional to 455,834.80, 683,752.20 and 314,117.20 is: 471,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,834.80 : 683,752.20 = 314,117.20 : x
  2. Step 2: Convert to fraction form
    455,834.80/683,752.20 = 314,117.20/x
  3. Step 3: Cross multiply
    455,834.80x = 683,752.20 × 314,117.20
  4. Step 4: Simplify right side
    455,834.80x = 214,778,326,557.84
  5. Step 5: Solve for x
    x = 214,778,326,557.84/455,834.80
  6. Step 6: Final answer
    x = 471,175.80

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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.