Home / 643,297.50-887,751.27-375,077.34

Finding the Fourth Proportional to 643,297.50, 887,751.27 and 375,077.34

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Solution

The fourth proportional to 643,297.50, 887,751.27 and 375,077.34 is: 517,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,297.50 : 887,751.27 = 375,077.34 : x
  2. Step 2: Convert to fraction form
    643,297.50/887,751.27 = 375,077.34/x
  3. Step 3: Cross multiply
    643,297.50x = 887,751.27 × 375,077.34
  4. Step 4: Simplify right side
    643,297.50x = 332,975,384,933.22
  5. Step 5: Solve for x
    x = 332,975,384,933.22/643,297.50
  6. Step 6: Final answer
    x = 517,607.15

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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.