Home / 987,056.73-1,362,138.75-534,347.73

Finding the Fourth Proportional to 987,056.73, 1,362,138.75 and 534,347.73

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Solution

The fourth proportional to 987,056.73, 1,362,138.75 and 534,347.73 is: 737,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,056.73 : 1,362,138.75 = 534,347.73 : x
  2. Step 2: Convert to fraction form
    987,056.73/1,362,138.75 = 534,347.73/x
  3. Step 3: Cross multiply
    987,056.73x = 1,362,138.75 × 534,347.73
  4. Step 4: Simplify right side
    987,056.73x = 727,855,749,007.54
  5. Step 5: Solve for x
    x = 727,855,749,007.54/987,056.73
  6. Step 6: Final answer
    x = 737,400.12

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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.