Home / 749,469.53-1,033,977.51-477,488.75

Finding the Fourth Proportional to 749,469.53, 1,033,977.51 and 477,488.75

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Solution

The fourth proportional to 749,469.53, 1,033,977.51 and 477,488.75 is: 658,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,469.53 : 1,033,977.51 = 477,488.75 : x
  2. Step 2: Convert to fraction form
    749,469.53/1,033,977.51 = 477,488.75/x
  3. Step 3: Cross multiply
    749,469.53x = 1,033,977.51 × 477,488.75
  4. Step 4: Simplify right side
    749,469.53x = 493,712,623,608.13
  5. Step 5: Solve for x
    x = 493,712,623,608.13/749,469.53
  6. Step 6: Final answer
    x = 658,749.43

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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.