Home / 808,468.20-1,212,702.30-275,909.40

Finding the Fourth Proportional to 808,468.20, 1,212,702.30 and 275,909.40

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Solution

The fourth proportional to 808,468.20, 1,212,702.30 and 275,909.40 is: 413,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,468.20 : 1,212,702.30 = 275,909.40 : x
  2. Step 2: Convert to fraction form
    808,468.20/1,212,702.30 = 275,909.40/x
  3. Step 3: Cross multiply
    808,468.20x = 1,212,702.30 × 275,909.40
  4. Step 4: Simplify right side
    808,468.20x = 334,595,963,971.62
  5. Step 5: Solve for x
    x = 334,595,963,971.62/808,468.20
  6. Step 6: Final answer
    x = 413,864.10

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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.