Home / 847,662.96-1,169,796.24-465,725.28

Finding the Fourth Proportional to 847,662.96, 1,169,796.24 and 465,725.28

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Solution

The fourth proportional to 847,662.96, 1,169,796.24 and 465,725.28 is: 642,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,662.96 : 1,169,796.24 = 465,725.28 : x
  2. Step 2: Convert to fraction form
    847,662.96/1,169,796.24 = 465,725.28/x
  3. Step 3: Cross multiply
    847,662.96x = 1,169,796.24 × 465,725.28
  4. Step 4: Simplify right side
    847,662.96x = 544,803,681,416.95
  5. Step 5: Solve for x
    x = 544,803,681,416.95/847,662.96
  6. Step 6: Final answer
    x = 642,712.62

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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.