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Finding the Fourth Proportional to 484,477.76, 668,574.24 and 269,614.04

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Solution

The fourth proportional to 484,477.76, 668,574.24 and 269,614.04 is: 372,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,477.76 : 668,574.24 = 269,614.04 : x
  2. Step 2: Convert to fraction form
    484,477.76/668,574.24 = 269,614.04/x
  3. Step 3: Cross multiply
    484,477.76x = 668,574.24 × 269,614.04
  4. Step 4: Simplify right side
    484,477.76x = 180,257,001,886.33
  5. Step 5: Solve for x
    x = 180,257,001,886.33/484,477.76
  6. Step 6: Final answer
    x = 372,064.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.