Home / 824,381.28-1,137,078.36-579,884.76

Finding the Fourth Proportional to 824,381.28, 1,137,078.36 and 579,884.76

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Solution

The fourth proportional to 824,381.28, 1,137,078.36 and 579,884.76 is: 799,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,381.28 : 1,137,078.36 = 579,884.76 : x
  2. Step 2: Convert to fraction form
    824,381.28/1,137,078.36 = 579,884.76/x
  3. Step 3: Cross multiply
    824,381.28x = 1,137,078.36 × 579,884.76
  4. Step 4: Simplify right side
    824,381.28x = 659,374,411,889.79
  5. Step 5: Solve for x
    x = 659,374,411,889.79/824,381.28
  6. Step 6: Final answer
    x = 799,841.56

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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.