Home / 788,813.05-1,088,648.50-457,741.91

Finding the Fourth Proportional to 788,813.05, 1,088,648.50 and 457,741.91

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Solution

The fourth proportional to 788,813.05, 1,088,648.50 and 457,741.91 is: 631,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,813.05 : 1,088,648.50 = 457,741.91 : x
  2. Step 2: Convert to fraction form
    788,813.05/1,088,648.50 = 457,741.91/x
  3. Step 3: Cross multiply
    788,813.05x = 1,088,648.50 × 457,741.91
  4. Step 4: Simplify right side
    788,813.05x = 498,320,043,708.64
  5. Step 5: Solve for x
    x = 498,320,043,708.64/788,813.05
  6. Step 6: Final answer
    x = 631,734.03

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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.