Home / 719,156.86-1,078,454.54-269,632.38

Finding the Fourth Proportional to 719,156.86, 1,078,454.54 and 269,632.38

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Solution

The fourth proportional to 719,156.86, 1,078,454.54 and 269,632.38 is: 404,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,156.86 : 1,078,454.54 = 269,632.38 : x
  2. Step 2: Convert to fraction form
    719,156.86/1,078,454.54 = 269,632.38/x
  3. Step 3: Cross multiply
    719,156.86x = 1,078,454.54 × 269,632.38
  4. Step 4: Simplify right side
    719,156.86x = 290,786,264,342.01
  5. Step 5: Solve for x
    x = 290,786,264,342.01/719,156.86
  6. Step 6: Final answer
    x = 404,343.31

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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.