Home / 886,362.90-1,329,285.15-317,678.10

Finding the Fourth Proportional to 886,362.90, 1,329,285.15 and 317,678.10

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Solution

The fourth proportional to 886,362.90, 1,329,285.15 and 317,678.10 is: 476,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,362.90 : 1,329,285.15 = 317,678.10 : x
  2. Step 2: Convert to fraction form
    886,362.90/1,329,285.15 = 317,678.10/x
  3. Step 3: Cross multiply
    886,362.90x = 1,329,285.15 × 317,678.10
  4. Step 4: Simplify right side
    886,362.90x = 422,284,780,810.22
  5. Step 5: Solve for x
    x = 422,284,780,810.22/886,362.90
  6. Step 6: Final answer
    x = 476,424.25

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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.