Home / 890,665.50-1,229,196.16-488,335.26

Finding the Fourth Proportional to 890,665.50, 1,229,196.16 and 488,335.26

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Solution

The fourth proportional to 890,665.50, 1,229,196.16 and 488,335.26 is: 673,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,665.50 : 1,229,196.16 = 488,335.26 : x
  2. Step 2: Convert to fraction form
    890,665.50/1,229,196.16 = 488,335.26/x
  3. Step 3: Cross multiply
    890,665.50x = 1,229,196.16 × 488,335.26
  4. Step 4: Simplify right side
    890,665.50x = 600,259,826,384.60
  5. Step 5: Solve for x
    x = 600,259,826,384.60/890,665.50
  6. Step 6: Final answer
    x = 673,945.30

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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.