Home / 960,026.58-1,440,039.40-286,090.68

Finding the Fourth Proportional to 960,026.58, 1,440,039.40 and 286,090.68

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Solution

The fourth proportional to 960,026.58, 1,440,039.40 and 286,090.68 is: 429,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,026.58 : 1,440,039.40 = 286,090.68 : x
  2. Step 2: Convert to fraction form
    960,026.58/1,440,039.40 = 286,090.68/x
  3. Step 3: Cross multiply
    960,026.58x = 1,440,039.40 × 286,090.68
  4. Step 4: Simplify right side
    960,026.58x = 411,981,851,172.79
  5. Step 5: Solve for x
    x = 411,981,851,172.79/960,026.58
  6. Step 6: Final answer
    x = 429,135.88

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Similar ratio
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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.