Home / 786,732.24-1,085,527.80-459,982.29

Finding the Fourth Proportional to 786,732.24, 1,085,527.80 and 459,982.29

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Solution

The fourth proportional to 786,732.24, 1,085,527.80 and 459,982.29 is: 634,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,732.24 : 1,085,527.80 = 459,982.29 : x
  2. Step 2: Convert to fraction form
    786,732.24/1,085,527.80 = 459,982.29/x
  3. Step 3: Cross multiply
    786,732.24x = 1,085,527.80 × 459,982.29
  4. Step 4: Simplify right side
    786,732.24x = 499,323,563,302.66
  5. Step 5: Solve for x
    x = 499,323,563,302.66/786,732.24
  6. Step 6: Final answer
    x = 634,680.44

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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.