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Finding the Fourth Proportional to 442,179.76, 608,756.16 and 370,446.16

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Solution

The fourth proportional to 442,179.76, 608,756.16 and 370,446.16 is: 509,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,179.76 : 608,756.16 = 370,446.16 : x
  2. Step 2: Convert to fraction form
    442,179.76/608,756.16 = 370,446.16/x
  3. Step 3: Cross multiply
    442,179.76x = 608,756.16 × 370,446.16
  4. Step 4: Simplify right side
    442,179.76x = 225,511,381,848.35
  5. Step 5: Solve for x
    x = 225,511,381,848.35/442,179.76
  6. Step 6: Final answer
    x = 509,999.33

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1.5x scale

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.