Home / 987,802.30-1,363,173.70-535,093.30

Finding the Fourth Proportional to 987,802.30, 1,363,173.70 and 535,093.30

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Solution

The fourth proportional to 987,802.30, 1,363,173.70 and 535,093.30 is: 738,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,802.30 : 1,363,173.70 = 535,093.30 : x
  2. Step 2: Convert to fraction form
    987,802.30/1,363,173.70 = 535,093.30/x
  3. Step 3: Cross multiply
    987,802.30x = 1,363,173.70 × 535,093.30
  4. Step 4: Simplify right side
    987,802.30x = 729,425,113,606.21
  5. Step 5: Solve for x
    x = 729,425,113,606.21/987,802.30
  6. Step 6: Final answer
    x = 738,432.29

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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.