Home / 987,953.94-1,363,377.78-535,244.94

Finding the Fourth Proportional to 987,953.94, 1,363,377.78 and 535,244.94

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Solution

The fourth proportional to 987,953.94, 1,363,377.78 and 535,244.94 is: 738,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,953.94 : 1,363,377.78 = 535,244.94 : x
  2. Step 2: Convert to fraction form
    987,953.94/1,363,377.78 = 535,244.94/x
  3. Step 3: Cross multiply
    987,953.94x = 1,363,377.78 × 535,244.94
  4. Step 4: Simplify right side
    987,953.94x = 729,741,058,053.43
  5. Step 5: Solve for x
    x = 729,741,058,053.43/987,953.94
  6. Step 6: Final answer
    x = 738,638.74

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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.