Home / 852,640.50-1,176,602.52-485,083.02

Finding the Fourth Proportional to 852,640.50, 1,176,602.52 and 485,083.02

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Solution

The fourth proportional to 852,640.50, 1,176,602.52 and 485,083.02 is: 669,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,640.50 : 1,176,602.52 = 485,083.02 : x
  2. Step 2: Convert to fraction form
    852,640.50/1,176,602.52 = 485,083.02/x
  3. Step 3: Cross multiply
    852,640.50x = 1,176,602.52 × 485,083.02
  4. Step 4: Simplify right side
    852,640.50x = 570,749,909,972.53
  5. Step 5: Solve for x
    x = 570,749,909,972.53/852,640.50
  6. Step 6: Final answer
    x = 669,391.04

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1.5x scale

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.