Home / 527,098.16-789,819.32-407,448.29

Finding the Fourth Proportional to 527,098.16, 789,819.32 and 407,448.29

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Solution

The fourth proportional to 527,098.16, 789,819.32 and 407,448.29 is: 610,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,098.16 : 789,819.32 = 407,448.29 : x
  2. Step 2: Convert to fraction form
    527,098.16/789,819.32 = 407,448.29/x
  3. Step 3: Cross multiply
    527,098.16x = 789,819.32 × 407,448.29
  4. Step 4: Simplify right side
    527,098.16x = 321,810,525,356.63
  5. Step 5: Solve for x
    x = 321,810,525,356.63/527,098.16
  6. Step 6: Final answer
    x = 610,532.45

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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.