Home / 712,250.33-982,866.52-389,898.07

Finding the Fourth Proportional to 712,250.33, 982,866.52 and 389,898.07

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Solution

The fourth proportional to 712,250.33, 982,866.52 and 389,898.07 is: 538,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,250.33 : 982,866.52 = 389,898.07 : x
  2. Step 2: Convert to fraction form
    712,250.33/982,866.52 = 389,898.07/x
  3. Step 3: Cross multiply
    712,250.33x = 982,866.52 × 389,898.07
  4. Step 4: Simplify right side
    712,250.33x = 383,217,759,215.62
  5. Step 5: Solve for x
    x = 383,217,759,215.62/712,250.33
  6. Step 6: Final answer
    x = 538,038.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.