Home / 788,661.70-1,182,992.55-367,980.10

Finding the Fourth Proportional to 788,661.70, 1,182,992.55 and 367,980.10

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Solution

The fourth proportional to 788,661.70, 1,182,992.55 and 367,980.10 is: 551,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,661.70 : 1,182,992.55 = 367,980.10 : x
  2. Step 2: Convert to fraction form
    788,661.70/1,182,992.55 = 367,980.10/x
  3. Step 3: Cross multiply
    788,661.70x = 1,182,992.55 × 367,980.10
  4. Step 4: Simplify right side
    788,661.70x = 435,317,716,848.26
  5. Step 5: Solve for x
    x = 435,317,716,848.26/788,661.70
  6. Step 6: Final answer
    x = 551,970.15

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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.