Home / 692,661.20-1,038,732.60-243,208.40

Finding the Fourth Proportional to 692,661.20, 1,038,732.60 and 243,208.40

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Solution

The fourth proportional to 692,661.20, 1,038,732.60 and 243,208.40 is: 364,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,661.20 : 1,038,732.60 = 243,208.40 : x
  2. Step 2: Convert to fraction form
    692,661.20/1,038,732.60 = 243,208.40/x
  3. Step 3: Cross multiply
    692,661.20x = 1,038,732.60 × 243,208.40
  4. Step 4: Simplify right side
    692,661.20x = 252,628,493,673.84
  5. Step 5: Solve for x
    x = 252,628,493,673.84/692,661.20
  6. Step 6: Final answer
    x = 364,721.59

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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.