Home / 808,006.60-1,211,241.90-302,432.20

Finding the Fourth Proportional to 808,006.60, 1,211,241.90 and 302,432.20

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Solution

The fourth proportional to 808,006.60, 1,211,241.90 and 302,432.20 is: 453,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,006.60 : 1,211,241.90 = 302,432.20 : x
  2. Step 2: Convert to fraction form
    808,006.60/1,211,241.90 = 302,432.20/x
  3. Step 3: Cross multiply
    808,006.60x = 1,211,241.90 × 302,432.20
  4. Step 4: Simplify right side
    808,006.60x = 366,318,552,549.18
  5. Step 5: Solve for x
    x = 366,318,552,549.18/808,006.60
  6. Step 6: Final answer
    x = 453,360.84

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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.