Home / 880,860.60-1,320,254.10-459,919.80

Finding the Fourth Proportional to 880,860.60, 1,320,254.10 and 459,919.80

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Solution

The fourth proportional to 880,860.60, 1,320,254.10 and 459,919.80 is: 689,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,860.60 : 1,320,254.10 = 459,919.80 : x
  2. Step 2: Convert to fraction form
    880,860.60/1,320,254.10 = 459,919.80/x
  3. Step 3: Cross multiply
    880,860.60x = 1,320,254.10 × 459,919.80
  4. Step 4: Simplify right side
    880,860.60x = 607,211,001,621.18
  5. Step 5: Solve for x
    x = 607,211,001,621.18/880,860.60
  6. Step 6: Final answer
    x = 689,338.36

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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.