Home / 786,112.45-1,084,873.61-442,056.64

Finding the Fourth Proportional to 786,112.45, 1,084,873.61 and 442,056.64

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Solution

The fourth proportional to 786,112.45, 1,084,873.61 and 442,056.64 is: 610,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,112.45 : 1,084,873.61 = 442,056.64 : x
  2. Step 2: Convert to fraction form
    786,112.45/1,084,873.61 = 442,056.64/x
  3. Step 3: Cross multiply
    786,112.45x = 1,084,873.61 × 442,056.64
  4. Step 4: Simplify right side
    786,112.45x = 479,575,582,861.27
  5. Step 5: Solve for x
    x = 479,575,582,861.27/786,112.45
  6. Step 6: Final answer
    x = 610,059.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.