Home / 726,727.20-1,090,090.80-569,090.40

Finding the Fourth Proportional to 726,727.20, 1,090,090.80 and 569,090.40

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Solution

The fourth proportional to 726,727.20, 1,090,090.80 and 569,090.40 is: 853,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,727.20 : 1,090,090.80 = 569,090.40 : x
  2. Step 2: Convert to fraction form
    726,727.20/1,090,090.80 = 569,090.40/x
  3. Step 3: Cross multiply
    726,727.20x = 1,090,090.80 × 569,090.40
  4. Step 4: Simplify right side
    726,727.20x = 620,360,209,408.32
  5. Step 5: Solve for x
    x = 620,360,209,408.32/726,727.20
  6. Step 6: Final answer
    x = 853,635.60

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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.