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Finding the Fourth Proportional to 607,529.80, 910,419.90 and 270,294.40

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Solution

The fourth proportional to 607,529.80, 910,419.90 and 270,294.40 is: 405,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,529.80 : 910,419.90 = 270,294.40 : x
  2. Step 2: Convert to fraction form
    607,529.80/910,419.90 = 270,294.40/x
  3. Step 3: Cross multiply
    607,529.80x = 910,419.90 × 270,294.40
  4. Step 4: Simplify right side
    607,529.80x = 246,081,400,618.56
  5. Step 5: Solve for x
    x = 246,081,400,618.56/607,529.80
  6. Step 6: Final answer
    x = 405,052.40

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1.5x scale

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.