Home / 759,137.04-1,047,630.28-419,627.12

Finding the Fourth Proportional to 759,137.04, 1,047,630.28 and 419,627.12

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Solution

The fourth proportional to 759,137.04, 1,047,630.28 and 419,627.12 is: 579,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,137.04 : 1,047,630.28 = 419,627.12 : x
  2. Step 2: Convert to fraction form
    759,137.04/1,047,630.28 = 419,627.12/x
  3. Step 3: Cross multiply
    759,137.04x = 1,047,630.28 × 419,627.12
  4. Step 4: Simplify right side
    759,137.04x = 439,614,077,221.19
  5. Step 5: Solve for x
    x = 439,614,077,221.19/759,137.04
  6. Step 6: Final answer
    x = 579,097.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.