Home / 730,746.87-1,008,389.86-404,040.96

Finding the Fourth Proportional to 730,746.87, 1,008,389.86 and 404,040.96

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Solution

The fourth proportional to 730,746.87, 1,008,389.86 and 404,040.96 is: 557,553.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,746.87 : 1,008,389.86 = 404,040.96 : x
  2. Step 2: Convert to fraction form
    730,746.87/1,008,389.86 = 404,040.96/x
  3. Step 3: Cross multiply
    730,746.87x = 1,008,389.86 × 404,040.96
  4. Step 4: Simplify right side
    730,746.87x = 407,430,806,078.56
  5. Step 5: Solve for x
    x = 407,430,806,078.56/730,746.87
  6. Step 6: Final answer
    x = 557,553.96

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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.