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Finding the Fourth Proportional to 607,836.60, 915,120.81 and 537,165

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Solution

The fourth proportional to 607,836.60, 915,120.81 and 537,165 is: 808,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,836.60 : 915,120.81 = 537,165 : x
  2. Step 2: Convert to fraction form
    607,836.60/915,120.81 = 537,165/x
  3. Step 3: Cross multiply
    607,836.60x = 915,120.81 × 537,165
  4. Step 4: Simplify right side
    607,836.60x = 491,570,869,903.65
  5. Step 5: Solve for x
    x = 491,570,869,903.65/607,836.60
  6. Step 6: Final answer
    x = 808,722.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.