Home / 446,822.10-670,233.15-257,865.30

Finding the Fourth Proportional to 446,822.10, 670,233.15 and 257,865.30

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Solution

The fourth proportional to 446,822.10, 670,233.15 and 257,865.30 is: 386,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,822.10 : 670,233.15 = 257,865.30 : x
  2. Step 2: Convert to fraction form
    446,822.10/670,233.15 = 257,865.30/x
  3. Step 3: Cross multiply
    446,822.10x = 670,233.15 × 257,865.30
  4. Step 4: Simplify right side
    446,822.10x = 172,829,872,294.70
  5. Step 5: Solve for x
    x = 172,829,872,294.70/446,822.10
  6. Step 6: Final answer
    x = 386,797.95

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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.