Home / 988,836-1,482,374.32-357,609.48

Finding the Fourth Proportional to 988,836, 1,482,374.32 and 357,609.48

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Solution

The fourth proportional to 988,836, 1,482,374.32 and 357,609.48 is: 536,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,836 : 1,482,374.32 = 357,609.48 : x
  2. Step 2: Convert to fraction form
    988,836/1,482,374.32 = 357,609.48/x
  3. Step 3: Cross multiply
    988,836x = 1,482,374.32 × 357,609.48
  4. Step 4: Simplify right side
    988,836x = 530,111,109,740.55
  5. Step 5: Solve for x
    x = 530,111,109,740.55/988,836
  6. Step 6: Final answer
    x = 536,096.09

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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.