Home / 982,378.60-1,355,680.16-552,658.60

Finding the Fourth Proportional to 982,378.60, 1,355,680.16 and 552,658.60

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Solution

The fourth proportional to 982,378.60, 1,355,680.16 and 552,658.60 is: 762,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,378.60 : 1,355,680.16 = 552,658.60 : x
  2. Step 2: Convert to fraction form
    982,378.60/1,355,680.16 = 552,658.60/x
  3. Step 3: Cross multiply
    982,378.60x = 1,355,680.16 × 552,658.60
  4. Step 4: Simplify right side
    982,378.60x = 749,228,299,273.38
  5. Step 5: Solve for x
    x = 749,228,299,273.38/982,378.60
  6. Step 6: Final answer
    x = 762,667.57

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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.