Home / 810,624.07-1,118,665.60-443,101.70

Finding the Fourth Proportional to 810,624.07, 1,118,665.60 and 443,101.70

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Solution

The fourth proportional to 810,624.07, 1,118,665.60 and 443,101.70 is: 611,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,624.07 : 1,118,665.60 = 443,101.70 : x
  2. Step 2: Convert to fraction form
    810,624.07/1,118,665.60 = 443,101.70/x
  3. Step 3: Cross multiply
    810,624.07x = 1,118,665.60 × 443,101.70
  4. Step 4: Simplify right side
    810,624.07x = 495,682,629,091.52
  5. Step 5: Solve for x
    x = 495,682,629,091.52/810,624.07
  6. Step 6: Final answer
    x = 611,482.74

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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.