Home / 840,486.57-1,159,889.87-458,513.04

Finding the Fourth Proportional to 840,486.57, 1,159,889.87 and 458,513.04

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Solution

The fourth proportional to 840,486.57, 1,159,889.87 and 458,513.04 is: 632,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,486.57 : 1,159,889.87 = 458,513.04 : x
  2. Step 2: Convert to fraction form
    840,486.57/1,159,889.87 = 458,513.04/x
  3. Step 3: Cross multiply
    840,486.57x = 1,159,889.87 × 458,513.04
  4. Step 4: Simplify right side
    840,486.57x = 531,824,630,358.91
  5. Step 5: Solve for x
    x = 531,824,630,358.91/840,486.57
  6. Step 6: Final answer
    x = 632,758.03

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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.