Home / 880,145.83-1,320,218.78-480,568.64

Finding the Fourth Proportional to 880,145.83, 1,320,218.78 and 480,568.64

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Solution

The fourth proportional to 880,145.83, 1,320,218.78 and 480,568.64 is: 720,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,145.83 : 1,320,218.78 = 480,568.64 : x
  2. Step 2: Convert to fraction form
    880,145.83/1,320,218.78 = 480,568.64/x
  3. Step 3: Cross multiply
    880,145.83x = 1,320,218.78 × 480,568.64
  4. Step 4: Simplify right side
    880,145.83x = 634,455,744,504.76
  5. Step 5: Solve for x
    x = 634,455,744,504.76/880,145.83
  6. Step 6: Final answer
    x = 720,852.98

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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.