Home / 948,743.31-1,423,582.53-443,339.16

Finding the Fourth Proportional to 948,743.31, 1,423,582.53 and 443,339.16

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Solution

The fourth proportional to 948,743.31, 1,423,582.53 and 443,339.16 is: 665,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,743.31 : 1,423,582.53 = 443,339.16 : x
  2. Step 2: Convert to fraction form
    948,743.31/1,423,582.53 = 443,339.16/x
  3. Step 3: Cross multiply
    948,743.31x = 1,423,582.53 × 443,339.16
  4. Step 4: Simplify right side
    948,743.31x = 631,129,883,040.88
  5. Step 5: Solve for x
    x = 631,129,883,040.88/948,743.31
  6. Step 6: Final answer
    x = 665,227.23

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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.