Home / 499,996.04-689,989.69-270,548.30

Finding the Fourth Proportional to 499,996.04, 689,989.69 and 270,548.30

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Solution

The fourth proportional to 499,996.04, 689,989.69 and 270,548.30 is: 373,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,996.04 : 689,989.69 = 270,548.30 : x
  2. Step 2: Convert to fraction form
    499,996.04/689,989.69 = 270,548.30/x
  3. Step 3: Cross multiply
    499,996.04x = 689,989.69 × 270,548.30
  4. Step 4: Simplify right side
    499,996.04x = 186,675,539,710.19
  5. Step 5: Solve for x
    x = 186,675,539,710.19/499,996.04
  6. Step 6: Final answer
    x = 373,354.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.