Home / 741,346.34-1,111,223.52-314,521.92

Finding the Fourth Proportional to 741,346.34, 1,111,223.52 and 314,521.92

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Solution

The fourth proportional to 741,346.34, 1,111,223.52 and 314,521.92 is: 471,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,346.34 : 1,111,223.52 = 314,521.92 : x
  2. Step 2: Convert to fraction form
    741,346.34/1,111,223.52 = 314,521.92/x
  3. Step 3: Cross multiply
    741,346.34x = 1,111,223.52 × 314,521.92
  4. Step 4: Simplify right side
    741,346.34x = 349,504,155,059.56
  5. Step 5: Solve for x
    x = 349,504,155,059.56/741,346.34
  6. Step 6: Final answer
    x = 471,445.18

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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.