Home / 989,175.60-1,483,417.80-515,703.60

Finding the Fourth Proportional to 989,175.60, 1,483,417.80 and 515,703.60

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Solution

The fourth proportional to 989,175.60, 1,483,417.80 and 515,703.60 is: 773,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,175.60 : 1,483,417.80 = 515,703.60 : x
  2. Step 2: Convert to fraction form
    989,175.60/1,483,417.80 = 515,703.60/x
  3. Step 3: Cross multiply
    989,175.60x = 1,483,417.80 × 515,703.60
  4. Step 4: Simplify right side
    989,175.60x = 765,003,899,764.08
  5. Step 5: Solve for x
    x = 765,003,899,764.08/989,175.60
  6. Step 6: Final answer
    x = 773,375.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.