Home / 986,454.18-1,478,792.67-354,923.64

Finding the Fourth Proportional to 986,454.18, 1,478,792.67 and 354,923.64

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Solution

The fourth proportional to 986,454.18, 1,478,792.67 and 354,923.64 is: 532,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,454.18 : 1,478,792.67 = 354,923.64 : x
  2. Step 2: Convert to fraction form
    986,454.18/1,478,792.67 = 354,923.64/x
  3. Step 3: Cross multiply
    986,454.18x = 1,478,792.67 × 354,923.64
  4. Step 4: Simplify right side
    986,454.18x = 524,858,477,241.72
  5. Step 5: Solve for x
    x = 524,858,477,241.72/986,454.18
  6. Step 6: Final answer
    x = 532,065.74

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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.