Home / 738,719.92-1,108,277.28-265,409.38

Finding the Fourth Proportional to 738,719.92, 1,108,277.28 and 265,409.38

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Solution

The fourth proportional to 738,719.92, 1,108,277.28 and 265,409.38 is: 398,184.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,719.92 : 1,108,277.28 = 265,409.38 : x
  2. Step 2: Convert to fraction form
    738,719.92/1,108,277.28 = 265,409.38/x
  3. Step 3: Cross multiply
    738,719.92x = 1,108,277.28 × 265,409.38
  4. Step 4: Simplify right side
    738,719.92x = 294,147,185,752.89
  5. Step 5: Solve for x
    x = 294,147,185,752.89/738,719.92
  6. Step 6: Final answer
    x = 398,184.99

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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.