Home / 672,122.40-1,008,183.60-609,914.40

Finding the Fourth Proportional to 672,122.40, 1,008,183.60 and 609,914.40

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Solution

The fourth proportional to 672,122.40, 1,008,183.60 and 609,914.40 is: 914,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,122.40 : 1,008,183.60 = 609,914.40 : x
  2. Step 2: Convert to fraction form
    672,122.40/1,008,183.60 = 609,914.40/x
  3. Step 3: Cross multiply
    672,122.40x = 1,008,183.60 × 609,914.40
  4. Step 4: Simplify right side
    672,122.40x = 614,905,695,483.84
  5. Step 5: Solve for x
    x = 614,905,695,483.84/672,122.40
  6. Step 6: Final answer
    x = 914,871.60

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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.