Home / 987,609.63-1,482,037.19-388,492.93

Finding the Fourth Proportional to 987,609.63, 1,482,037.19 and 388,492.93

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Solution

The fourth proportional to 987,609.63, 1,482,037.19 and 388,492.93 is: 582,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,609.63 : 1,482,037.19 = 388,492.93 : x
  2. Step 2: Convert to fraction form
    987,609.63/1,482,037.19 = 388,492.93/x
  3. Step 3: Cross multiply
    987,609.63x = 1,482,037.19 × 388,492.93
  4. Step 4: Simplify right side
    987,609.63x = 575,760,968,369.60
  5. Step 5: Solve for x
    x = 575,760,968,369.60/987,609.63
  6. Step 6: Final answer
    x = 582,984.36

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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.