Home / 753,021.90-1,128,774.69-332,223.66

Finding the Fourth Proportional to 753,021.90, 1,128,774.69 and 332,223.66

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Solution

The fourth proportional to 753,021.90, 1,128,774.69 and 332,223.66 is: 498,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,021.90 : 1,128,774.69 = 332,223.66 : x
  2. Step 2: Convert to fraction form
    753,021.90/1,128,774.69 = 332,223.66/x
  3. Step 3: Cross multiply
    753,021.90x = 1,128,774.69 × 332,223.66
  4. Step 4: Simplify right side
    753,021.90x = 375,005,658,827.17
  5. Step 5: Solve for x
    x = 375,005,658,827.17/753,021.90
  6. Step 6: Final answer
    x = 498,001.00

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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.