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Finding the Fourth Proportional to 894,809.04, 1,235,624.04 and 609,011.88

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Solution

The fourth proportional to 894,809.04, 1,235,624.04 and 609,011.88 is: 840,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,809.04 : 1,235,624.04 = 609,011.88 : x
  2. Step 2: Convert to fraction form
    894,809.04/1,235,624.04 = 609,011.88/x
  3. Step 3: Cross multiply
    894,809.04x = 1,235,624.04 × 609,011.88
  4. Step 4: Simplify right side
    894,809.04x = 752,509,719,573.60
  5. Step 5: Solve for x
    x = 752,509,719,573.60/894,809.04
  6. Step 6: Final answer
    x = 840,972.42

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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.