Home / 910,450.80-1,364,905-377,639.28

Finding the Fourth Proportional to 910,450.80, 1,364,905 and 377,639.28

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Solution

The fourth proportional to 910,450.80, 1,364,905 and 377,639.28 is: 566,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,450.80 : 1,364,905 = 377,639.28 : x
  2. Step 2: Convert to fraction form
    910,450.80/1,364,905 = 377,639.28/x
  3. Step 3: Cross multiply
    910,450.80x = 1,364,905 × 377,639.28
  4. Step 4: Simplify right side
    910,450.80x = 515,441,741,468.40
  5. Step 5: Solve for x
    x = 515,441,741,468.40/910,450.80
  6. Step 6: Final answer
    x = 566,139.04

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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.