Home / 788,347.69-1,182,324.70-256,021.09

Finding the Fourth Proportional to 788,347.69, 1,182,324.70 and 256,021.09

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Solution

The fourth proportional to 788,347.69, 1,182,324.70 and 256,021.09 is: 383,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,347.69 : 1,182,324.70 = 256,021.09 : x
  2. Step 2: Convert to fraction form
    788,347.69/1,182,324.70 = 256,021.09/x
  3. Step 3: Cross multiply
    788,347.69x = 1,182,324.70 × 256,021.09
  4. Step 4: Simplify right side
    788,347.69x = 302,700,058,427.92
  5. Step 5: Solve for x
    x = 302,700,058,427.92/788,347.69
  6. Step 6: Final answer
    x = 383,967.71

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Double scale
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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.