Home / 788,710.80-1,182,774.60-256,249.20

Finding the Fourth Proportional to 788,710.80, 1,182,774.60 and 256,249.20

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Solution

The fourth proportional to 788,710.80, 1,182,774.60 and 256,249.20 is: 384,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,710.80 : 1,182,774.60 = 256,249.20 : x
  2. Step 2: Convert to fraction form
    788,710.80/1,182,774.60 = 256,249.20/x
  3. Step 3: Cross multiply
    788,710.80x = 1,182,774.60 × 256,249.20
  4. Step 4: Simplify right side
    788,710.80x = 303,085,045,030.32
  5. Step 5: Solve for x
    x = 303,085,045,030.32/788,710.80
  6. Step 6: Final answer
    x = 384,279.06

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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.