Home / 788,292.48-1,182,254.40-255,676.80

Finding the Fourth Proportional to 788,292.48, 1,182,254.40 and 255,676.80

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Solution

The fourth proportional to 788,292.48, 1,182,254.40 and 255,676.80 is: 383,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,292.48 : 1,182,254.40 = 255,676.80 : x
  2. Step 2: Convert to fraction form
    788,292.48/1,182,254.40 = 255,676.80/x
  3. Step 3: Cross multiply
    788,292.48x = 1,182,254.40 × 255,676.80
  4. Step 4: Simplify right side
    788,292.48x = 302,275,021,777.92
  5. Step 5: Solve for x
    x = 302,275,021,777.92/788,292.48
  6. Step 6: Final answer
    x = 383,455.42

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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.