Home / 692,976.60-1,038,687.30-393,600.60

Finding the Fourth Proportional to 692,976.60, 1,038,687.30 and 393,600.60

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Solution

The fourth proportional to 692,976.60, 1,038,687.30 and 393,600.60 is: 589,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,976.60 : 1,038,687.30 = 393,600.60 : x
  2. Step 2: Convert to fraction form
    692,976.60/1,038,687.30 = 393,600.60/x
  3. Step 3: Cross multiply
    692,976.60x = 1,038,687.30 × 393,600.60
  4. Step 4: Simplify right side
    692,976.60x = 408,827,944,492.38
  5. Step 5: Solve for x
    x = 408,827,944,492.38/692,976.60
  6. Step 6: Final answer
    x = 589,959.23

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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.