Home / 810,901.99-1,119,009.63-443,372.32

Finding the Fourth Proportional to 810,901.99, 1,119,009.63 and 443,372.32

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Solution

The fourth proportional to 810,901.99, 1,119,009.63 and 443,372.32 is: 611,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,901.99 : 1,119,009.63 = 443,372.32 : x
  2. Step 2: Convert to fraction form
    810,901.99/1,119,009.63 = 443,372.32/x
  3. Step 3: Cross multiply
    810,901.99x = 1,119,009.63 × 443,372.32
  4. Step 4: Simplify right side
    810,901.99x = 496,137,895,755.44
  5. Step 5: Solve for x
    x = 496,137,895,755.44/810,901.99
  6. Step 6: Final answer
    x = 611,834.60

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1.5x scale

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.