Home / 719,109.76-1,078,384.27-269,585.57

Finding the Fourth Proportional to 719,109.76, 1,078,384.27 and 269,585.57

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Solution

The fourth proportional to 719,109.76, 1,078,384.27 and 269,585.57 is: 404,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,109.76 : 1,078,384.27 = 269,585.57 : x
  2. Step 2: Convert to fraction form
    719,109.76/1,078,384.27 = 269,585.57/x
  3. Step 3: Cross multiply
    719,109.76x = 1,078,384.27 × 269,585.57
  4. Step 4: Simplify right side
    719,109.76x = 290,716,838,106.98
  5. Step 5: Solve for x
    x = 290,716,838,106.98/719,109.76
  6. Step 6: Final answer
    x = 404,273.25

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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.