Home / 546,931.58-818,965.28-439,745.90

Finding the Fourth Proportional to 546,931.58, 818,965.28 and 439,745.90

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Solution

The fourth proportional to 546,931.58, 818,965.28 and 439,745.90 is: 658,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,931.58 : 818,965.28 = 439,745.90 : x
  2. Step 2: Convert to fraction form
    546,931.58/818,965.28 = 439,745.90/x
  3. Step 3: Cross multiply
    546,931.58x = 818,965.28 × 439,745.90
  4. Step 4: Simplify right side
    546,931.58x = 360,136,621,126.89
  5. Step 5: Solve for x
    x = 360,136,621,126.89/546,931.58
  6. Step 6: Final answer
    x = 658,467.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.