Home / 810,548.59-1,118,560.80-443,033.32

Finding the Fourth Proportional to 810,548.59, 1,118,560.80 and 443,033.32

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Solution

The fourth proportional to 810,548.59, 1,118,560.80 and 443,033.32 is: 611,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,548.59 : 1,118,560.80 = 443,033.32 : x
  2. Step 2: Convert to fraction form
    810,548.59/1,118,560.80 = 443,033.32/x
  3. Step 3: Cross multiply
    810,548.59x = 1,118,560.80 × 443,033.32
  4. Step 4: Simplify right side
    810,548.59x = 495,559,704,845.86
  5. Step 5: Solve for x
    x = 495,559,704,845.86/810,548.59
  6. Step 6: Final answer
    x = 611,388.03

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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.