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Finding the Fourth Proportional to 610,528.96, 842,532.44 and 338,622.24

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Solution

The fourth proportional to 610,528.96, 842,532.44 and 338,622.24 is: 467,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,528.96 : 842,532.44 = 338,622.24 : x
  2. Step 2: Convert to fraction form
    610,528.96/842,532.44 = 338,622.24/x
  3. Step 3: Cross multiply
    610,528.96x = 842,532.44 × 338,622.24
  4. Step 4: Simplify right side
    610,528.96x = 285,300,222,105.47
  5. Step 5: Solve for x
    x = 285,300,222,105.47/610,528.96
  6. Step 6: Final answer
    x = 467,300.06

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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.