Home / 501,756.10-692,371.29-283,989.22

Finding the Fourth Proportional to 501,756.10, 692,371.29 and 283,989.22

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Solution

The fourth proportional to 501,756.10, 692,371.29 and 283,989.22 is: 391,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,756.10 : 692,371.29 = 283,989.22 : x
  2. Step 2: Convert to fraction form
    501,756.10/692,371.29 = 283,989.22/x
  3. Step 3: Cross multiply
    501,756.10x = 692,371.29 × 283,989.22
  4. Step 4: Simplify right side
    501,756.10x = 196,625,982,597.49
  5. Step 5: Solve for x
    x = 196,625,982,597.49/501,756.10
  6. Step 6: Final answer
    x = 391,875.62

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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.