Home / 792,419.40-1,189,503.90-493,237.80

Finding the Fourth Proportional to 792,419.40, 1,189,503.90 and 493,237.80

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Solution

The fourth proportional to 792,419.40, 1,189,503.90 and 493,237.80 is: 740,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,419.40 : 1,189,503.90 = 493,237.80 : x
  2. Step 2: Convert to fraction form
    792,419.40/1,189,503.90 = 493,237.80/x
  3. Step 3: Cross multiply
    792,419.40x = 1,189,503.90 × 493,237.80
  4. Step 4: Simplify right side
    792,419.40x = 586,708,286,727.42
  5. Step 5: Solve for x
    x = 586,708,286,727.42/792,419.40
  6. Step 6: Final answer
    x = 740,401.22

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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.