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Finding the Fourth Proportional to 880,860.30, 1,234,863.30 and 880,860.30

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Solution

The fourth proportional to 880,860.30, 1,234,863.30 and 880,860.30 is: 1,234,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,860.30 : 1,234,863.30 = 880,860.30 : x
  2. Step 2: Convert to fraction form
    880,860.30/1,234,863.30 = 880,860.30/x
  3. Step 3: Cross multiply
    880,860.30x = 1,234,863.30 × 880,860.30
  4. Step 4: Simplify right side
    880,860.30x = 1,087,742,056,896.99
  5. Step 5: Solve for x
    x = 1,087,742,056,896.99/880,860.30
  6. Step 6: Final answer
    x = 1,234,863.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.