Home / 858,205.92-1,287,727.04-352,918.76

Finding the Fourth Proportional to 858,205.92, 1,287,727.04 and 352,918.76

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Solution

The fourth proportional to 858,205.92, 1,287,727.04 and 352,918.76 is: 529,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,205.92 : 1,287,727.04 = 352,918.76 : x
  2. Step 2: Convert to fraction form
    858,205.92/1,287,727.04 = 352,918.76/x
  3. Step 3: Cross multiply
    858,205.92x = 1,287,727.04 × 352,918.76
  4. Step 4: Simplify right side
    858,205.92x = 454,463,030,175.27
  5. Step 5: Solve for x
    x = 454,463,030,175.27/858,205.92
  6. Step 6: Final answer
    x = 529,550.10

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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.