Home / 788,021.86-1,180,607.28-361,914.13

Finding the Fourth Proportional to 788,021.86, 1,180,607.28 and 361,914.13

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Solution

The fourth proportional to 788,021.86, 1,180,607.28 and 361,914.13 is: 542,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,021.86 : 1,180,607.28 = 361,914.13 : x
  2. Step 2: Convert to fraction form
    788,021.86/1,180,607.28 = 361,914.13/x
  3. Step 3: Cross multiply
    788,021.86x = 1,180,607.28 × 361,914.13
  4. Step 4: Simplify right side
    788,021.86x = 427,278,455,098.40
  5. Step 5: Solve for x
    x = 427,278,455,098.40/788,021.86
  6. Step 6: Final answer
    x = 542,216.50

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Half scale
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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.