Home / 729,697.20-1,095,420.60-410,103.60

Finding the Fourth Proportional to 729,697.20, 1,095,420.60 and 410,103.60

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Solution

The fourth proportional to 729,697.20, 1,095,420.60 and 410,103.60 is: 615,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,697.20 : 1,095,420.60 = 410,103.60 : x
  2. Step 2: Convert to fraction form
    729,697.20/1,095,420.60 = 410,103.60/x
  3. Step 3: Cross multiply
    729,697.20x = 1,095,420.60 × 410,103.60
  4. Step 4: Simplify right side
    729,697.20x = 449,235,931,574.16
  5. Step 5: Solve for x
    x = 449,235,931,574.16/729,697.20
  6. Step 6: Final answer
    x = 615,647.05

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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.