Home / 675,485.02-1,013,350.30-320,495.74

Finding the Fourth Proportional to 675,485.02, 1,013,350.30 and 320,495.74

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Solution

The fourth proportional to 675,485.02, 1,013,350.30 and 320,495.74 is: 480,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,485.02 : 1,013,350.30 = 320,495.74 : x
  2. Step 2: Convert to fraction form
    675,485.02/1,013,350.30 = 320,495.74/x
  3. Step 3: Cross multiply
    675,485.02x = 1,013,350.30 × 320,495.74
  4. Step 4: Simplify right side
    675,485.02x = 324,774,450,943.11
  5. Step 5: Solve for x
    x = 324,774,450,943.11/675,485.02
  6. Step 6: Final answer
    x = 480,801.85

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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.