Home / 783,970.86-1,175,953.98-215,352.55

Finding the Fourth Proportional to 783,970.86, 1,175,953.98 and 215,352.55

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Solution

The fourth proportional to 783,970.86, 1,175,953.98 and 215,352.55 is: 323,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,970.86 : 1,175,953.98 = 215,352.55 : x
  2. Step 2: Convert to fraction form
    783,970.86/1,175,953.98 = 215,352.55/x
  3. Step 3: Cross multiply
    783,970.86x = 1,175,953.98 × 215,352.55
  4. Step 4: Simplify right side
    783,970.86x = 253,244,683,938.42
  5. Step 5: Solve for x
    x = 253,244,683,938.42/783,970.86
  6. Step 6: Final answer
    x = 323,028.18

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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.