Home / 743,798.08-1,026,447.60-404,266.24

Finding the Fourth Proportional to 743,798.08, 1,026,447.60 and 404,266.24

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Solution

The fourth proportional to 743,798.08, 1,026,447.60 and 404,266.24 is: 557,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,798.08 : 1,026,447.60 = 404,266.24 : x
  2. Step 2: Convert to fraction form
    743,798.08/1,026,447.60 = 404,266.24/x
  3. Step 3: Cross multiply
    743,798.08x = 1,026,447.60 × 404,266.24
  4. Step 4: Simplify right side
    743,798.08x = 414,958,111,809.02
  5. Step 5: Solve for x
    x = 414,958,111,809.02/743,798.08
  6. Step 6: Final answer
    x = 557,890.81

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Double scale
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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.