Home / 909,396.97-1,254,947.07-501,487.30

Finding the Fourth Proportional to 909,396.97, 1,254,947.07 and 501,487.30

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Solution

The fourth proportional to 909,396.97, 1,254,947.07 and 501,487.30 is: 692,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,396.97 : 1,254,947.07 = 501,487.30 : x
  2. Step 2: Convert to fraction form
    909,396.97/1,254,947.07 = 501,487.30/x
  3. Step 3: Cross multiply
    909,396.97x = 1,254,947.07 × 501,487.30
  4. Step 4: Simplify right side
    909,396.97x = 629,340,021,226.47
  5. Step 5: Solve for x
    x = 629,340,021,226.47/909,396.97
  6. Step 6: Final answer
    x = 692,041.03

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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.