Home / 880,775.76-1,321,008.12-348,119.76

Finding the Fourth Proportional to 880,775.76, 1,321,008.12 and 348,119.76

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Solution

The fourth proportional to 880,775.76, 1,321,008.12 and 348,119.76 is: 522,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,775.76 : 1,321,008.12 = 348,119.76 : x
  2. Step 2: Convert to fraction form
    880,775.76/1,321,008.12 = 348,119.76/x
  3. Step 3: Cross multiply
    880,775.76x = 1,321,008.12 × 348,119.76
  4. Step 4: Simplify right side
    880,775.76x = 459,869,029,692.45
  5. Step 5: Solve for x
    x = 459,869,029,692.45/880,775.76
  6. Step 6: Final answer
    x = 522,118.17

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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.