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Finding the Fourth Proportional to 651,065.60, 898,449.60 and 360,665.20

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Solution

The fourth proportional to 651,065.60, 898,449.60 and 360,665.20 is: 497,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,065.60 : 898,449.60 = 360,665.20 : x
  2. Step 2: Convert to fraction form
    651,065.60/898,449.60 = 360,665.20/x
  3. Step 3: Cross multiply
    651,065.60x = 898,449.60 × 360,665.20
  4. Step 4: Simplify right side
    651,065.60x = 324,039,504,673.92
  5. Step 5: Solve for x
    x = 324,039,504,673.92/651,065.60
  6. Step 6: Final answer
    x = 497,706.38

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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.