Home / 706,611.20-1,057,497.60-426,329.60

Finding the Fourth Proportional to 706,611.20, 1,057,497.60 and 426,329.60

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Solution

The fourth proportional to 706,611.20, 1,057,497.60 and 426,329.60 is: 638,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,611.20 : 1,057,497.60 = 426,329.60 : x
  2. Step 2: Convert to fraction form
    706,611.20/1,057,497.60 = 426,329.60/x
  3. Step 3: Cross multiply
    706,611.20x = 1,057,497.60 × 426,329.60
  4. Step 4: Simplify right side
    706,611.20x = 450,842,528,808.96
  5. Step 5: Solve for x
    x = 450,842,528,808.96/706,611.20
  6. Step 6: Final answer
    x = 638,034.79

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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.