Home / 816,598.53-1,126,969.11-489,923.85

Finding the Fourth Proportional to 816,598.53, 1,126,969.11 and 489,923.85

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Solution

The fourth proportional to 816,598.53, 1,126,969.11 and 489,923.85 is: 676,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,598.53 : 1,126,969.11 = 489,923.85 : x
  2. Step 2: Convert to fraction form
    816,598.53/1,126,969.11 = 489,923.85/x
  3. Step 3: Cross multiply
    816,598.53x = 1,126,969.11 × 489,923.85
  4. Step 4: Simplify right side
    816,598.53x = 552,129,045,202.27
  5. Step 5: Solve for x
    x = 552,129,045,202.27/816,598.53
  6. Step 6: Final answer
    x = 676,132.79

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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.