Home / 891,165.60-1,229,485.41-585,406.62

Finding the Fourth Proportional to 891,165.60, 1,229,485.41 and 585,406.62

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Solution

The fourth proportional to 891,165.60, 1,229,485.41 and 585,406.62 is: 807,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,165.60 : 1,229,485.41 = 585,406.62 : x
  2. Step 2: Convert to fraction form
    891,165.60/1,229,485.41 = 585,406.62/x
  3. Step 3: Cross multiply
    891,165.60x = 1,229,485.41 × 585,406.62
  4. Step 4: Simplify right side
    891,165.60x = 719,748,898,207.41
  5. Step 5: Solve for x
    x = 719,748,898,207.41/891,165.60
  6. Step 6: Final answer
    x = 807,648.88

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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.