Home / 742,934.88-1,114,400.16-269,618.40

Finding the Fourth Proportional to 742,934.88, 1,114,400.16 and 269,618.40

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Solution

The fourth proportional to 742,934.88, 1,114,400.16 and 269,618.40 is: 404,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,934.88 : 1,114,400.16 = 269,618.40 : x
  2. Step 2: Convert to fraction form
    742,934.88/1,114,400.16 = 269,618.40/x
  3. Step 3: Cross multiply
    742,934.88x = 1,114,400.16 × 269,618.40
  4. Step 4: Simplify right side
    742,934.88x = 300,462,788,098.94
  5. Step 5: Solve for x
    x = 300,462,788,098.94/742,934.88
  6. Step 6: Final answer
    x = 404,426.82

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1.5x scale

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.