Home / 948,743.81-1,423,583.28-443,339.66

Finding the Fourth Proportional to 948,743.81, 1,423,583.28 and 443,339.66

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Solution

The fourth proportional to 948,743.81, 1,423,583.28 and 443,339.66 is: 665,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,743.81 : 1,423,583.28 = 443,339.66 : x
  2. Step 2: Convert to fraction form
    948,743.81/1,423,583.28 = 443,339.66/x
  3. Step 3: Cross multiply
    948,743.81x = 1,423,583.28 × 443,339.66
  4. Step 4: Simplify right side
    948,743.81x = 631,130,920,218.97
  5. Step 5: Solve for x
    x = 631,130,920,218.97/948,743.81
  6. Step 6: Final answer
    x = 665,227.98

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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.