Home / 816,085.80-1,224,243.90-255,061.80

Finding the Fourth Proportional to 816,085.80, 1,224,243.90 and 255,061.80

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Solution

The fourth proportional to 816,085.80, 1,224,243.90 and 255,061.80 is: 382,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,085.80 : 1,224,243.90 = 255,061.80 : x
  2. Step 2: Convert to fraction form
    816,085.80/1,224,243.90 = 255,061.80/x
  3. Step 3: Cross multiply
    816,085.80x = 1,224,243.90 × 255,061.80
  4. Step 4: Simplify right side
    816,085.80x = 312,257,852,773.02
  5. Step 5: Solve for x
    x = 312,257,852,773.02/816,085.80
  6. Step 6: Final answer
    x = 382,628.70

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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.