Home / 472,748.04-652,372.99-279,218.39

Finding the Fourth Proportional to 472,748.04, 652,372.99 and 279,218.39

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Solution

The fourth proportional to 472,748.04, 652,372.99 and 279,218.39 is: 385,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,748.04 : 652,372.99 = 279,218.39 : x
  2. Step 2: Convert to fraction form
    472,748.04/652,372.99 = 279,218.39/x
  3. Step 3: Cross multiply
    472,748.04x = 652,372.99 × 279,218.39
  4. Step 4: Simplify right side
    472,748.04x = 182,154,531,987.38
  5. Step 5: Solve for x
    x = 182,154,531,987.38/472,748.04
  6. Step 6: Final answer
    x = 385,309.97

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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.