Home / 987,962.58-1,363,393.98-535,253.58

Finding the Fourth Proportional to 987,962.58, 1,363,393.98 and 535,253.58

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Solution

The fourth proportional to 987,962.58, 1,363,393.98 and 535,253.58 is: 738,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,962.58 : 1,363,393.98 = 535,253.58 : x
  2. Step 2: Convert to fraction form
    987,962.58/1,363,393.98 = 535,253.58/x
  3. Step 3: Cross multiply
    987,962.58x = 1,363,393.98 × 535,253.58
  4. Step 4: Simplify right side
    987,962.58x = 729,761,508,745.45
  5. Step 5: Solve for x
    x = 729,761,508,745.45/987,962.58
  6. Step 6: Final answer
    x = 738,652.98

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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.