Home / 788,814.55-1,088,650.57-457,743.41

Finding the Fourth Proportional to 788,814.55, 1,088,650.57 and 457,743.41

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Solution

The fourth proportional to 788,814.55, 1,088,650.57 and 457,743.41 is: 631,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,814.55 : 1,088,650.57 = 457,743.41 : x
  2. Step 2: Convert to fraction form
    788,814.55/1,088,650.57 = 457,743.41/x
  3. Step 3: Cross multiply
    788,814.55x = 1,088,650.57 × 457,743.41
  4. Step 4: Simplify right side
    788,814.55x = 498,322,624,210.24
  5. Step 5: Solve for x
    x = 498,322,624,210.24/788,814.55
  6. Step 6: Final answer
    x = 631,736.10

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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.