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Finding the Fourth Proportional to 484,987.32, 669,316.14 and 294,008.76

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Solution

The fourth proportional to 484,987.32, 669,316.14 and 294,008.76 is: 405,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,987.32 : 669,316.14 = 294,008.76 : x
  2. Step 2: Convert to fraction form
    484,987.32/669,316.14 = 294,008.76/x
  3. Step 3: Cross multiply
    484,987.32x = 669,316.14 × 294,008.76
  4. Step 4: Simplify right side
    484,987.32x = 196,784,808,369.39
  5. Step 5: Solve for x
    x = 196,784,808,369.39/484,987.32
  6. Step 6: Final answer
    x = 405,752.48

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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.