Home / 748,605.42-1,122,574.55-215,999.91

Finding the Fourth Proportional to 748,605.42, 1,122,574.55 and 215,999.91

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Solution

The fourth proportional to 748,605.42, 1,122,574.55 and 215,999.91 is: 323,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,605.42 : 1,122,574.55 = 215,999.91 : x
  2. Step 2: Convert to fraction form
    748,605.42/1,122,574.55 = 215,999.91/x
  3. Step 3: Cross multiply
    748,605.42x = 1,122,574.55 × 215,999.91
  4. Step 4: Simplify right side
    748,605.42x = 242,476,000,688.29
  5. Step 5: Solve for x
    x = 242,476,000,688.29/748,605.42
  6. Step 6: Final answer
    x = 323,903.61

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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.