Home / 572,308.32-789,822.45-330,601.08

Finding the Fourth Proportional to 572,308.32, 789,822.45 and 330,601.08

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Solution

The fourth proportional to 572,308.32, 789,822.45 and 330,601.08 is: 456,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,308.32 : 789,822.45 = 330,601.08 : x
  2. Step 2: Convert to fraction form
    572,308.32/789,822.45 = 330,601.08/x
  3. Step 3: Cross multiply
    572,308.32x = 789,822.45 × 330,601.08
  4. Step 4: Simplify right side
    572,308.32x = 261,116,154,978.25
  5. Step 5: Solve for x
    x = 261,116,154,978.25/572,308.32
  6. Step 6: Final answer
    x = 456,250.85

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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.