Home / 999,735.55-1,500,212.31-359,985.80

Finding the Fourth Proportional to 999,735.55, 1,500,212.31 and 359,985.80

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Solution

The fourth proportional to 999,735.55, 1,500,212.31 and 359,985.80 is: 540,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,735.55 : 1,500,212.31 = 359,985.80 : x
  2. Step 2: Convert to fraction form
    999,735.55/1,500,212.31 = 359,985.80/x
  3. Step 3: Cross multiply
    999,735.55x = 1,500,212.31 × 359,985.80
  4. Step 4: Simplify right side
    999,735.55x = 540,055,130,985.78
  5. Step 5: Solve for x
    x = 540,055,130,985.78/999,735.55
  6. Step 6: Final answer
    x = 540,197.99

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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.