Home / 783,896.20-1,175,552.70-310,483.60

Finding the Fourth Proportional to 783,896.20, 1,175,552.70 and 310,483.60

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Solution

The fourth proportional to 783,896.20, 1,175,552.70 and 310,483.60 is: 465,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,896.20 : 1,175,552.70 = 310,483.60 : x
  2. Step 2: Convert to fraction form
    783,896.20/1,175,552.70 = 310,483.60/x
  3. Step 3: Cross multiply
    783,896.20x = 1,175,552.70 × 310,483.60
  4. Step 4: Simplify right side
    783,896.20x = 364,989,834,285.72
  5. Step 5: Solve for x
    x = 364,989,834,285.72/783,896.20
  6. Step 6: Final answer
    x = 465,609.90

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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.