Home / 743,541-1,026,089.31-404,009.25

Finding the Fourth Proportional to 743,541, 1,026,089.31 and 404,009.25

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Solution

The fourth proportional to 743,541, 1,026,089.31 and 404,009.25 is: 557,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,541 : 1,026,089.31 = 404,009.25 : x
  2. Step 2: Convert to fraction form
    743,541/1,026,089.31 = 404,009.25/x
  3. Step 3: Cross multiply
    743,541x = 1,026,089.31 × 404,009.25
  4. Step 4: Simplify right side
    743,541x = 414,549,572,566.12
  5. Step 5: Solve for x
    x = 414,549,572,566.12/743,541
  6. Step 6: Final answer
    x = 557,534.25

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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.