Home / 800,631.96-1,104,862.20-438,050.58

Finding the Fourth Proportional to 800,631.96, 1,104,862.20 and 438,050.58

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Solution

The fourth proportional to 800,631.96, 1,104,862.20 and 438,050.58 is: 604,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,631.96 : 1,104,862.20 = 438,050.58 : x
  2. Step 2: Convert to fraction form
    800,631.96/1,104,862.20 = 438,050.58/x
  3. Step 3: Cross multiply
    800,631.96x = 1,104,862.20 × 438,050.58
  4. Step 4: Simplify right side
    800,631.96x = 483,985,527,530.08
  5. Step 5: Solve for x
    x = 483,985,527,530.08/800,631.96
  6. Step 6: Final answer
    x = 604,504.38

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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.