Home / 987,425.73-1,362,639.60-534,716.73

Finding the Fourth Proportional to 987,425.73, 1,362,639.60 and 534,716.73

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Solution

The fourth proportional to 987,425.73, 1,362,639.60 and 534,716.73 is: 737,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,425.73 : 1,362,639.60 = 534,716.73 : x
  2. Step 2: Convert to fraction form
    987,425.73/1,362,639.60 = 534,716.73/x
  3. Step 3: Cross multiply
    987,425.73x = 1,362,639.60 × 534,716.73
  4. Step 4: Simplify right side
    987,425.73x = 728,626,191,080.51
  5. Step 5: Solve for x
    x = 728,626,191,080.51/987,425.73
  6. Step 6: Final answer
    x = 737,904.81

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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.