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Finding the Fourth Proportional to 455,561.60, 683,342.40 and 366,988.10

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Solution

The fourth proportional to 455,561.60, 683,342.40 and 366,988.10 is: 550,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,561.60 : 683,342.40 = 366,988.10 : x
  2. Step 2: Convert to fraction form
    455,561.60/683,342.40 = 366,988.10/x
  3. Step 3: Cross multiply
    455,561.60x = 683,342.40 × 366,988.10
  4. Step 4: Simplify right side
    455,561.60x = 250,778,529,025.44
  5. Step 5: Solve for x
    x = 250,778,529,025.44/455,561.60
  6. Step 6: Final answer
    x = 550,482.15

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Similar ratio
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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.