Home / 676,389.15-1,014,103.17-339,186.60

Finding the Fourth Proportional to 676,389.15, 1,014,103.17 and 339,186.60

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Solution

The fourth proportional to 676,389.15, 1,014,103.17 and 339,186.60 is: 508,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,389.15 : 1,014,103.17 = 339,186.60 : x
  2. Step 2: Convert to fraction form
    676,389.15/1,014,103.17 = 339,186.60/x
  3. Step 3: Cross multiply
    676,389.15x = 1,014,103.17 × 339,186.60
  4. Step 4: Simplify right side
    676,389.15x = 343,970,206,281.52
  5. Step 5: Solve for x
    x = 343,970,206,281.52/676,389.15
  6. Step 6: Final answer
    x = 508,538.92

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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.