Home / 858,103.96-1,286,973.69-325,438.24

Finding the Fourth Proportional to 858,103.96, 1,286,973.69 and 325,438.24

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Solution

The fourth proportional to 858,103.96, 1,286,973.69 and 325,438.24 is: 488,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,103.96 : 1,286,973.69 = 325,438.24 : x
  2. Step 2: Convert to fraction form
    858,103.96/1,286,973.69 = 325,438.24/x
  3. Step 3: Cross multiply
    858,103.96x = 1,286,973.69 × 325,438.24
  4. Step 4: Simplify right side
    858,103.96x = 418,830,452,599.91
  5. Step 5: Solve for x
    x = 418,830,452,599.91/858,103.96
  6. Step 6: Final answer
    x = 488,088.24

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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.