Home / 730,893.18-1,008,639.30-404,189.31

Finding the Fourth Proportional to 730,893.18, 1,008,639.30 and 404,189.31

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Solution

The fourth proportional to 730,893.18, 1,008,639.30 and 404,189.31 is: 557,784.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,893.18 : 1,008,639.30 = 404,189.31 : x
  2. Step 2: Convert to fraction form
    730,893.18/1,008,639.30 = 404,189.31/x
  3. Step 3: Cross multiply
    730,893.18x = 1,008,639.30 × 404,189.31
  4. Step 4: Simplify right side
    730,893.18x = 407,681,222,705.88
  5. Step 5: Solve for x
    x = 407,681,222,705.88/730,893.18
  6. Step 6: Final answer
    x = 557,784.96

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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.