Home / 700,827.12-1,051,513.43-280,223.28

Finding the Fourth Proportional to 700,827.12, 1,051,513.43 and 280,223.28

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Solution

The fourth proportional to 700,827.12, 1,051,513.43 and 280,223.28 is: 420,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,827.12 : 1,051,513.43 = 280,223.28 : x
  2. Step 2: Convert to fraction form
    700,827.12/1,051,513.43 = 280,223.28/x
  3. Step 3: Cross multiply
    700,827.12x = 1,051,513.43 × 280,223.28
  4. Step 4: Simplify right side
    700,827.12x = 294,658,540,917.53
  5. Step 5: Solve for x
    x = 294,658,540,917.53/700,827.12
  6. Step 6: Final answer
    x = 420,443.98

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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.