Home / 788,659.15-1,182,988.75-189,620.34

Finding the Fourth Proportional to 788,659.15, 1,182,988.75 and 189,620.34

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Solution

The fourth proportional to 788,659.15, 1,182,988.75 and 189,620.34 is: 284,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,659.15 : 1,182,988.75 = 189,620.34 : x
  2. Step 2: Convert to fraction form
    788,659.15/1,182,988.75 = 189,620.34/x
  3. Step 3: Cross multiply
    788,659.15x = 1,182,988.75 × 189,620.34
  4. Step 4: Simplify right side
    788,659.15x = 224,318,728,991.18
  5. Step 5: Solve for x
    x = 224,318,728,991.18/788,659.15
  6. Step 6: Final answer
    x = 284,430.52

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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.