Home / 786,279.42-1,178,556.12-448,583.63

Finding the Fourth Proportional to 786,279.42, 1,178,556.12 and 448,583.63

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Solution

The fourth proportional to 786,279.42, 1,178,556.12 and 448,583.63 is: 672,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,279.42 : 1,178,556.12 = 448,583.63 : x
  2. Step 2: Convert to fraction form
    786,279.42/1,178,556.12 = 448,583.63/x
  3. Step 3: Cross multiply
    786,279.42x = 1,178,556.12 × 448,583.63
  4. Step 4: Simplify right side
    786,279.42x = 528,680,982,468.32
  5. Step 5: Solve for x
    x = 528,680,982,468.32/786,279.42
  6. Step 6: Final answer
    x = 672,383.09

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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.