Home / 719,317.38-1,078,999.23-377,674.26

Finding the Fourth Proportional to 719,317.38, 1,078,999.23 and 377,674.26

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Solution

The fourth proportional to 719,317.38, 1,078,999.23 and 377,674.26 is: 566,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,317.38 : 1,078,999.23 = 377,674.26 : x
  2. Step 2: Convert to fraction form
    719,317.38/1,078,999.23 = 377,674.26/x
  3. Step 3: Cross multiply
    719,317.38x = 1,078,999.23 × 377,674.26
  4. Step 4: Simplify right side
    719,317.38x = 407,510,235,730.82
  5. Step 5: Solve for x
    x = 407,510,235,730.82/719,317.38
  6. Step 6: Final answer
    x = 566,523.55

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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.