Home / 1,038,735.72-1,558,337.04-328,806.36

Finding the Fourth Proportional to 1,038,735.72, 1,558,337.04 and 328,806.36

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Solution

The fourth proportional to 1,038,735.72, 1,558,337.04 and 328,806.36 is: 493,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,735.72 : 1,558,337.04 = 328,806.36 : x
  2. Step 2: Convert to fraction form
    1,038,735.72/1,558,337.04 = 328,806.36/x
  3. Step 3: Cross multiply
    1,038,735.72x = 1,558,337.04 × 328,806.36
  4. Step 4: Simplify right side
    1,038,735.72x = 512,391,129,775.57
  5. Step 5: Solve for x
    x = 512,391,129,775.57/1,038,735.72
  6. Step 6: Final answer
    x = 493,283.44

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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.