Home / 692,479.32-1,038,778.50-243,161.58

Finding the Fourth Proportional to 692,479.32, 1,038,778.50 and 243,161.58

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Solution

The fourth proportional to 692,479.32, 1,038,778.50 and 243,161.58 is: 364,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,479.32 : 1,038,778.50 = 243,161.58 : x
  2. Step 2: Convert to fraction form
    692,479.32/1,038,778.50 = 243,161.58/x
  3. Step 3: Cross multiply
    692,479.32x = 1,038,778.50 × 243,161.58
  4. Step 4: Simplify right side
    692,479.32x = 252,591,021,330.03
  5. Step 5: Solve for x
    x = 252,591,021,330.03/692,479.32
  6. Step 6: Final answer
    x = 364,763.27

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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.