Home / 874,704.12-1,312,131.30-243,617.88

Finding the Fourth Proportional to 874,704.12, 1,312,131.30 and 243,617.88

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Solution

The fourth proportional to 874,704.12, 1,312,131.30 and 243,617.88 is: 365,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,704.12 : 1,312,131.30 = 243,617.88 : x
  2. Step 2: Convert to fraction form
    874,704.12/1,312,131.30 = 243,617.88/x
  3. Step 3: Cross multiply
    874,704.12x = 1,312,131.30 × 243,617.88
  4. Step 4: Simplify right side
    874,704.12x = 319,658,645,587.64
  5. Step 5: Solve for x
    x = 319,658,645,587.64/874,704.12
  6. Step 6: Final answer
    x = 365,447.74

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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.