Home / 540,087.20-808,575.60-330,135.20

Finding the Fourth Proportional to 540,087.20, 808,575.60 and 330,135.20

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Solution

The fourth proportional to 540,087.20, 808,575.60 and 330,135.20 is: 494,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,087.20 : 808,575.60 = 330,135.20 : x
  2. Step 2: Convert to fraction form
    540,087.20/808,575.60 = 330,135.20/x
  3. Step 3: Cross multiply
    540,087.20x = 808,575.60 × 330,135.20
  4. Step 4: Simplify right side
    540,087.20x = 266,939,267,421.12
  5. Step 5: Solve for x
    x = 266,939,267,421.12/540,087.20
  6. Step 6: Final answer
    x = 494,252.16

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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.