Home / 920,420.20-1,379,334.30-731,204.20

Finding the Fourth Proportional to 920,420.20, 1,379,334.30 and 731,204.20

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Solution

The fourth proportional to 920,420.20, 1,379,334.30 and 731,204.20 is: 1,095,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,420.20 : 1,379,334.30 = 731,204.20 : x
  2. Step 2: Convert to fraction form
    920,420.20/1,379,334.30 = 731,204.20/x
  3. Step 3: Cross multiply
    920,420.20x = 1,379,334.30 × 731,204.20
  4. Step 4: Simplify right side
    920,420.20x = 1,008,575,033,364.06
  5. Step 5: Solve for x
    x = 1,008,575,033,364.06/920,420.20
  6. Step 6: Final answer
    x = 1,095,776.73

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1.5x scale

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.