Home / 816,004.80-1,221,674.40-501,076.80

Finding the Fourth Proportional to 816,004.80, 1,221,674.40 and 501,076.80

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Solution

The fourth proportional to 816,004.80, 1,221,674.40 and 501,076.80 is: 750,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,004.80 : 1,221,674.40 = 501,076.80 : x
  2. Step 2: Convert to fraction form
    816,004.80/1,221,674.40 = 501,076.80/x
  3. Step 3: Cross multiply
    816,004.80x = 1,221,674.40 × 501,076.80
  4. Step 4: Simplify right side
    816,004.80x = 612,152,698,993.92
  5. Step 5: Solve for x
    x = 612,152,698,993.92/816,004.80
  6. Step 6: Final answer
    x = 750,182.72

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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.