Home / 455,350.76-683,507.10-255,841.64

Finding the Fourth Proportional to 455,350.76, 683,507.10 and 255,841.64

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Solution

The fourth proportional to 455,350.76, 683,507.10 and 255,841.64 is: 384,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,350.76 : 683,507.10 = 255,841.64 : x
  2. Step 2: Convert to fraction form
    455,350.76/683,507.10 = 255,841.64/x
  3. Step 3: Cross multiply
    455,350.76x = 683,507.10 × 255,841.64
  4. Step 4: Simplify right side
    455,350.76x = 174,869,577,415.64
  5. Step 5: Solve for x
    x = 174,869,577,415.64/455,350.76
  6. Step 6: Final answer
    x = 384,032.69

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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.