Home / 783,432.84-1,175,253.82-310,007.48

Finding the Fourth Proportional to 783,432.84, 1,175,253.82 and 310,007.48

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Solution

The fourth proportional to 783,432.84, 1,175,253.82 and 310,007.48 is: 465,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,432.84 : 1,175,253.82 = 310,007.48 : x
  2. Step 2: Convert to fraction form
    783,432.84/1,175,253.82 = 310,007.48/x
  3. Step 3: Cross multiply
    783,432.84x = 1,175,253.82 × 310,007.48
  4. Step 4: Simplify right side
    783,432.84x = 364,337,472,188.62
  5. Step 5: Solve for x
    x = 364,337,472,188.62/783,432.84
  6. Step 6: Final answer
    x = 465,052.59

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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.