Home / 864,954.40-1,296,265.20-579,834.40

Finding the Fourth Proportional to 864,954.40, 1,296,265.20 and 579,834.40

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Solution

The fourth proportional to 864,954.40, 1,296,265.20 and 579,834.40 is: 868,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,954.40 : 1,296,265.20 = 579,834.40 : x
  2. Step 2: Convert to fraction form
    864,954.40/1,296,265.20 = 579,834.40/x
  3. Step 3: Cross multiply
    864,954.40x = 1,296,265.20 × 579,834.40
  4. Step 4: Simplify right side
    864,954.40x = 751,619,154,482.88
  5. Step 5: Solve for x
    x = 751,619,154,482.88/864,954.40
  6. Step 6: Final answer
    x = 868,969.69

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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.