Home / 738,156.26-1,018,651.02-415,969.86

Finding the Fourth Proportional to 738,156.26, 1,018,651.02 and 415,969.86

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Solution

The fourth proportional to 738,156.26, 1,018,651.02 and 415,969.86 is: 574,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,156.26 : 1,018,651.02 = 415,969.86 : x
  2. Step 2: Convert to fraction form
    738,156.26/1,018,651.02 = 415,969.86/x
  3. Step 3: Cross multiply
    738,156.26x = 1,018,651.02 × 415,969.86
  4. Step 4: Simplify right side
    738,156.26x = 423,728,122,178.26
  5. Step 5: Solve for x
    x = 423,728,122,178.26/738,156.26
  6. Step 6: Final answer
    x = 574,035.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.