Home / 988,340.37-1,482,630.53-278,368.41

Finding the Fourth Proportional to 988,340.37, 1,482,630.53 and 278,368.41

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Solution

The fourth proportional to 988,340.37, 1,482,630.53 and 278,368.41 is: 417,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,340.37 : 1,482,630.53 = 278,368.41 : x
  2. Step 2: Convert to fraction form
    988,340.37/1,482,630.53 = 278,368.41/x
  3. Step 3: Cross multiply
    988,340.37x = 1,482,630.53 × 278,368.41
  4. Step 4: Simplify right side
    988,340.37x = 412,717,501,861.72
  5. Step 5: Solve for x
    x = 412,717,501,861.72/988,340.37
  6. Step 6: Final answer
    x = 417,586.40

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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.