Home / 880,140.58-1,320,210.90-480,563.38

Finding the Fourth Proportional to 880,140.58, 1,320,210.90 and 480,563.38

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Solution

The fourth proportional to 880,140.58, 1,320,210.90 and 480,563.38 is: 720,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,140.58 : 1,320,210.90 = 480,563.38 : x
  2. Step 2: Convert to fraction form
    880,140.58/1,320,210.90 = 480,563.38/x
  3. Step 3: Cross multiply
    880,140.58x = 1,320,210.90 × 480,563.38
  4. Step 4: Simplify right side
    880,140.58x = 634,445,014,067.11
  5. Step 5: Solve for x
    x = 634,445,014,067.11/880,140.58
  6. Step 6: Final answer
    x = 720,845.09

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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.