Home / 909,010.94-1,254,438.90-501,103.83

Finding the Fourth Proportional to 909,010.94, 1,254,438.90 and 501,103.83

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Solution

The fourth proportional to 909,010.94, 1,254,438.90 and 501,103.83 is: 691,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,010.94 : 1,254,438.90 = 501,103.83 : x
  2. Step 2: Convert to fraction form
    909,010.94/1,254,438.90 = 501,103.83/x
  3. Step 3: Cross multiply
    909,010.94x = 1,254,438.90 × 501,103.83
  4. Step 4: Simplify right side
    909,010.94x = 628,604,129,296.75
  5. Step 5: Solve for x
    x = 628,604,129,296.75/909,010.94
  6. Step 6: Final answer
    x = 691,525.38

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1.5x scale

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.