Home / 659,743.20-988,448.40-585,093.60

Finding the Fourth Proportional to 659,743.20, 988,448.40 and 585,093.60

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Solution

The fourth proportional to 659,743.20, 988,448.40 and 585,093.60 is: 876,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,743.20 : 988,448.40 = 585,093.60 : x
  2. Step 2: Convert to fraction form
    659,743.20/988,448.40 = 585,093.60/x
  3. Step 3: Cross multiply
    659,743.20x = 988,448.40 × 585,093.60
  4. Step 4: Simplify right side
    659,743.20x = 578,334,832,770.24
  5. Step 5: Solve for x
    x = 578,334,832,770.24/659,743.20
  6. Step 6: Final answer
    x = 876,605.98

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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.