Home / 875,999.40-1,313,999.10-593,989.80

Finding the Fourth Proportional to 875,999.40, 1,313,999.10 and 593,989.80

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Solution

The fourth proportional to 875,999.40, 1,313,999.10 and 593,989.80 is: 890,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,999.40 : 1,313,999.10 = 593,989.80 : x
  2. Step 2: Convert to fraction form
    875,999.40/1,313,999.10 = 593,989.80/x
  3. Step 3: Cross multiply
    875,999.40x = 1,313,999.10 × 593,989.80
  4. Step 4: Simplify right side
    875,999.40x = 780,502,062,609.18
  5. Step 5: Solve for x
    x = 780,502,062,609.18/875,999.40
  6. Step 6: Final answer
    x = 890,984.70

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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.