Home / 948,825.09-1,424,079.63-443,660.90

Finding the Fourth Proportional to 948,825.09, 1,424,079.63 and 443,660.90

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Solution

The fourth proportional to 948,825.09, 1,424,079.63 and 443,660.90 is: 665,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,825.09 : 1,424,079.63 = 443,660.90 : x
  2. Step 2: Convert to fraction form
    948,825.09/1,424,079.63 = 443,660.90/x
  3. Step 3: Cross multiply
    948,825.09x = 1,424,079.63 × 443,660.90
  4. Step 4: Simplify right side
    948,825.09x = 631,808,443,197.07
  5. Step 5: Solve for x
    x = 631,808,443,197.07/948,825.09
  6. Step 6: Final answer
    x = 665,885.05

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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.