Home / 579,767.89-869,711.36-200,688.02

Finding the Fourth Proportional to 579,767.89, 869,711.36 and 200,688.02

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Solution

The fourth proportional to 579,767.89, 869,711.36 and 200,688.02 is: 301,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,767.89 : 869,711.36 = 200,688.02 : x
  2. Step 2: Convert to fraction form
    579,767.89/869,711.36 = 200,688.02/x
  3. Step 3: Cross multiply
    579,767.89x = 869,711.36 × 200,688.02
  4. Step 4: Simplify right side
    579,767.89x = 174,540,650,809.91
  5. Step 5: Solve for x
    x = 174,540,650,809.91/579,767.89
  6. Step 6: Final answer
    x = 301,052.64

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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.