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Finding the Fourth Proportional to 435,228.80, 652,843.20 and 302,518.40

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Solution

The fourth proportional to 435,228.80, 652,843.20 and 302,518.40 is: 453,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,228.80 : 652,843.20 = 302,518.40 : x
  2. Step 2: Convert to fraction form
    435,228.80/652,843.20 = 302,518.40/x
  3. Step 3: Cross multiply
    435,228.80x = 652,843.20 × 302,518.40
  4. Step 4: Simplify right side
    435,228.80x = 197,497,080,314.88
  5. Step 5: Solve for x
    x = 197,497,080,314.88/435,228.80
  6. Step 6: Final answer
    x = 453,777.60

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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.