Home / 467,934.84-646,274.70-316,769.40

Finding the Fourth Proportional to 467,934.84, 646,274.70 and 316,769.40

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Solution

The fourth proportional to 467,934.84, 646,274.70 and 316,769.40 is: 437,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,934.84 : 646,274.70 = 316,769.40 : x
  2. Step 2: Convert to fraction form
    467,934.84/646,274.70 = 316,769.40/x
  3. Step 3: Cross multiply
    467,934.84x = 646,274.70 × 316,769.40
  4. Step 4: Simplify right side
    467,934.84x = 204,720,048,954.18
  5. Step 5: Solve for x
    x = 204,720,048,954.18/467,934.84
  6. Step 6: Final answer
    x = 437,496.92

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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.