Home / 840,587-1,259,769.48-307,594.88

Finding the Fourth Proportional to 840,587, 1,259,769.48 and 307,594.88

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Solution

The fourth proportional to 840,587, 1,259,769.48 and 307,594.88 is: 460,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,587 : 1,259,769.48 = 307,594.88 : x
  2. Step 2: Convert to fraction form
    840,587/1,259,769.48 = 307,594.88/x
  3. Step 3: Cross multiply
    840,587x = 1,259,769.48 × 307,594.88
  4. Step 4: Simplify right side
    840,587x = 387,498,642,028.26
  5. Step 5: Solve for x
    x = 387,498,642,028.26/840,587
  6. Step 6: Final answer
    x = 460,985.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.