Home / 803,392.36-1,108,779.78-463,860.04

Finding the Fourth Proportional to 803,392.36, 1,108,779.78 and 463,860.04

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Solution

The fourth proportional to 803,392.36, 1,108,779.78 and 463,860.04 is: 640,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,392.36 : 1,108,779.78 = 463,860.04 : x
  2. Step 2: Convert to fraction form
    803,392.36/1,108,779.78 = 463,860.04/x
  3. Step 3: Cross multiply
    803,392.36x = 1,108,779.78 × 463,860.04
  4. Step 4: Simplify right side
    803,392.36x = 514,318,633,101.99
  5. Step 5: Solve for x
    x = 514,318,633,101.99/803,392.36
  6. Step 6: Final answer
    x = 640,183.62

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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.