Home / 756,004.90-1,134,007.35-456,823.30

Finding the Fourth Proportional to 756,004.90, 1,134,007.35 and 456,823.30

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Solution

The fourth proportional to 756,004.90, 1,134,007.35 and 456,823.30 is: 685,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,004.90 : 1,134,007.35 = 456,823.30 : x
  2. Step 2: Convert to fraction form
    756,004.90/1,134,007.35 = 456,823.30/x
  3. Step 3: Cross multiply
    756,004.90x = 1,134,007.35 × 456,823.30
  4. Step 4: Simplify right side
    756,004.90x = 518,040,979,851.26
  5. Step 5: Solve for x
    x = 518,040,979,851.26/756,004.90
  6. Step 6: Final answer
    x = 685,234.95

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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.