Home / 738,743.86-1,108,046.67-317,941.30

Finding the Fourth Proportional to 738,743.86, 1,108,046.67 and 317,941.30

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Solution

The fourth proportional to 738,743.86, 1,108,046.67 and 317,941.30 is: 476,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,743.86 : 1,108,046.67 = 317,941.30 : x
  2. Step 2: Convert to fraction form
    738,743.86/1,108,046.67 = 317,941.30/x
  3. Step 3: Cross multiply
    738,743.86x = 1,108,046.67 × 317,941.30
  4. Step 4: Simplify right side
    738,743.86x = 352,293,798,720.47
  5. Step 5: Solve for x
    x = 352,293,798,720.47/738,743.86
  6. Step 6: Final answer
    x = 476,882.20

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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.