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Finding the Fourth Proportional to 492,005.60, 736,258.80 and 450,015.20

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Solution

The fourth proportional to 492,005.60, 736,258.80 and 450,015.20 is: 673,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,005.60 : 736,258.80 = 450,015.20 : x
  2. Step 2: Convert to fraction form
    492,005.60/736,258.80 = 450,015.20/x
  3. Step 3: Cross multiply
    492,005.60x = 736,258.80 × 450,015.20
  4. Step 4: Simplify right side
    492,005.60x = 331,327,651,133.76
  5. Step 5: Solve for x
    x = 331,327,651,133.76/492,005.60
  6. Step 6: Final answer
    x = 673,422.52

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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.