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Finding the Fourth Proportional to 544,949.84, 752,023.56 and 306,485.84

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Solution

The fourth proportional to 544,949.84, 752,023.56 and 306,485.84 is: 422,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,949.84 : 752,023.56 = 306,485.84 : x
  2. Step 2: Convert to fraction form
    544,949.84/752,023.56 = 306,485.84/x
  3. Step 3: Cross multiply
    544,949.84x = 752,023.56 × 306,485.84
  4. Step 4: Simplify right side
    544,949.84x = 230,484,572,486.39
  5. Step 5: Solve for x
    x = 230,484,572,486.39/544,949.84
  6. Step 6: Final answer
    x = 422,946.40

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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.