Home / 868,154.40-1,303,676.64-585,663.12

Finding the Fourth Proportional to 868,154.40, 1,303,676.64 and 585,663.12

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Solution

The fourth proportional to 868,154.40, 1,303,676.64 and 585,663.12 is: 879,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,154.40 : 1,303,676.64 = 585,663.12 : x
  2. Step 2: Convert to fraction form
    868,154.40/1,303,676.64 = 585,663.12/x
  3. Step 3: Cross multiply
    868,154.40x = 1,303,676.64 × 585,663.12
  4. Step 4: Simplify right side
    868,154.40x = 763,515,328,453.52
  5. Step 5: Solve for x
    x = 763,515,328,453.52/868,154.40
  6. Step 6: Final answer
    x = 879,469.51

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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.