Home / 948,543.42-1,422,817.56-387,577.92

Finding the Fourth Proportional to 948,543.42, 1,422,817.56 and 387,577.92

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Solution

The fourth proportional to 948,543.42, 1,422,817.56 and 387,577.92 is: 581,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,543.42 : 1,422,817.56 = 387,577.92 : x
  2. Step 2: Convert to fraction form
    948,543.42/1,422,817.56 = 387,577.92/x
  3. Step 3: Cross multiply
    948,543.42x = 1,422,817.56 × 387,577.92
  4. Step 4: Simplify right side
    948,543.42x = 551,452,670,444.28
  5. Step 5: Solve for x
    x = 551,452,670,444.28/948,543.42
  6. Step 6: Final answer
    x = 581,367.87

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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.