Home / 743,806.26-1,026,444.96-404,272.08

Finding the Fourth Proportional to 743,806.26, 1,026,444.96 and 404,272.08

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Solution

The fourth proportional to 743,806.26, 1,026,444.96 and 404,272.08 is: 557,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,806.26 : 1,026,444.96 = 404,272.08 : x
  2. Step 2: Convert to fraction form
    743,806.26/1,026,444.96 = 404,272.08/x
  3. Step 3: Cross multiply
    743,806.26x = 1,026,444.96 × 404,272.08
  4. Step 4: Simplify right side
    743,806.26x = 414,963,038,984.72
  5. Step 5: Solve for x
    x = 414,963,038,984.72/743,806.26
  6. Step 6: Final answer
    x = 557,891.30

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1.5x scale

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.