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Finding the Fourth Proportional to 659,701.80, 988,896.60 and 304,095.60

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Solution

The fourth proportional to 659,701.80, 988,896.60 and 304,095.60 is: 455,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,701.80 : 988,896.60 = 304,095.60 : x
  2. Step 2: Convert to fraction form
    659,701.80/988,896.60 = 304,095.60/x
  3. Step 3: Cross multiply
    659,701.80x = 988,896.60 × 304,095.60
  4. Step 4: Simplify right side
    659,701.80x = 300,719,104,914.96
  5. Step 5: Solve for x
    x = 300,719,104,914.96/659,701.80
  6. Step 6: Final answer
    x = 455,840.96

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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.