Home / 945,305.80-1,417,790.30-376,639.22

Finding the Fourth Proportional to 945,305.80, 1,417,790.30 and 376,639.22

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Solution

The fourth proportional to 945,305.80, 1,417,790.30 and 376,639.22 is: 564,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,305.80 : 1,417,790.30 = 376,639.22 : x
  2. Step 2: Convert to fraction form
    945,305.80/1,417,790.30 = 376,639.22/x
  3. Step 3: Cross multiply
    945,305.80x = 1,417,790.30 × 376,639.22
  4. Step 4: Simplify right side
    945,305.80x = 533,995,432,715.57
  5. Step 5: Solve for x
    x = 533,995,432,715.57/945,305.80
  6. Step 6: Final answer
    x = 564,891.73

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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.