Home / 765,786.51-1,148,758.34-292,869.63

Finding the Fourth Proportional to 765,786.51, 1,148,758.34 and 292,869.63

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Solution

The fourth proportional to 765,786.51, 1,148,758.34 and 292,869.63 is: 439,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,786.51 : 1,148,758.34 = 292,869.63 : x
  2. Step 2: Convert to fraction form
    765,786.51/1,148,758.34 = 292,869.63/x
  3. Step 3: Cross multiply
    765,786.51x = 1,148,758.34 × 292,869.63
  4. Step 4: Simplify right side
    765,786.51x = 336,436,428,530.87
  5. Step 5: Solve for x
    x = 336,436,428,530.87/765,786.51
  6. Step 6: Final answer
    x = 439,334.49

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Double scale
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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.