Home / 987,638.92-1,363,052.32-557,946.73

Finding the Fourth Proportional to 987,638.92, 1,363,052.32 and 557,946.73

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Solution

The fourth proportional to 987,638.92, 1,363,052.32 and 557,946.73 is: 770,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,638.92 : 1,363,052.32 = 557,946.73 : x
  2. Step 2: Convert to fraction form
    987,638.92/1,363,052.32 = 557,946.73/x
  3. Step 3: Cross multiply
    987,638.92x = 1,363,052.32 × 557,946.73
  4. Step 4: Simplify right side
    987,638.92x = 760,510,584,762.91
  5. Step 5: Solve for x
    x = 760,510,584,762.91/987,638.92
  6. Step 6: Final answer
    x = 770,028.97

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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.