Home / 909,381.48-1,254,919.41-501,483.30

Finding the Fourth Proportional to 909,381.48, 1,254,919.41 and 501,483.30

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Solution

The fourth proportional to 909,381.48, 1,254,919.41 and 501,483.30 is: 692,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,381.48 : 1,254,919.41 = 501,483.30 : x
  2. Step 2: Convert to fraction form
    909,381.48/1,254,919.41 = 501,483.30/x
  3. Step 3: Cross multiply
    909,381.48x = 1,254,919.41 × 501,483.30
  4. Step 4: Simplify right side
    909,381.48x = 629,321,126,960.85
  5. Step 5: Solve for x
    x = 629,321,126,960.85/909,381.48
  6. Step 6: Final answer
    x = 692,032.05

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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.