Home / 995,438.80-1,492,985.40-364,027.60

Finding the Fourth Proportional to 995,438.80, 1,492,985.40 and 364,027.60

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Solution

The fourth proportional to 995,438.80, 1,492,985.40 and 364,027.60 is: 545,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,438.80 : 1,492,985.40 = 364,027.60 : x
  2. Step 2: Convert to fraction form
    995,438.80/1,492,985.40 = 364,027.60/x
  3. Step 3: Cross multiply
    995,438.80x = 1,492,985.40 × 364,027.60
  4. Step 4: Simplify right side
    995,438.80x = 543,487,891,997.04
  5. Step 5: Solve for x
    x = 543,487,891,997.04/995,438.80
  6. Step 6: Final answer
    x = 545,978.21

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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.