Home / 759,132-1,047,511.44-419,554.08

Finding the Fourth Proportional to 759,132, 1,047,511.44 and 419,554.08

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Solution

The fourth proportional to 759,132, 1,047,511.44 and 419,554.08 is: 578,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,132 : 1,047,511.44 = 419,554.08 : x
  2. Step 2: Convert to fraction form
    759,132/1,047,511.44 = 419,554.08/x
  3. Step 3: Cross multiply
    759,132x = 1,047,511.44 × 419,554.08
  4. Step 4: Simplify right side
    759,132x = 439,487,698,498.68
  5. Step 5: Solve for x
    x = 439,487,698,498.68/759,132
  6. Step 6: Final answer
    x = 578,934.49

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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.