Home / 810,504.48-1,216,106.64-436,452.96

Finding the Fourth Proportional to 810,504.48, 1,216,106.64 and 436,452.96

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Solution

The fourth proportional to 810,504.48, 1,216,106.64 and 436,452.96 is: 654,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,504.48 : 1,216,106.64 = 436,452.96 : x
  2. Step 2: Convert to fraction form
    810,504.48/1,216,106.64 = 436,452.96/x
  3. Step 3: Cross multiply
    810,504.48x = 1,216,106.64 × 436,452.96
  4. Step 4: Simplify right side
    810,504.48x = 530,773,342,703.65
  5. Step 5: Solve for x
    x = 530,773,342,703.65/810,504.48
  6. Step 6: Final answer
    x = 654,867.87

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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.