Home / 738,049.60-1,106,383.20-578,036.80

Finding the Fourth Proportional to 738,049.60, 1,106,383.20 and 578,036.80

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Solution

The fourth proportional to 738,049.60, 1,106,383.20 and 578,036.80 is: 866,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,049.60 : 1,106,383.20 = 578,036.80 : x
  2. Step 2: Convert to fraction form
    738,049.60/1,106,383.20 = 578,036.80/x
  3. Step 3: Cross multiply
    738,049.60x = 1,106,383.20 × 578,036.80
  4. Step 4: Simplify right side
    738,049.60x = 639,530,204,501.76
  5. Step 5: Solve for x
    x = 639,530,204,501.76/738,049.60
  6. Step 6: Final answer
    x = 866,513.86

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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.