Home / 961,856.20-1,442,444.10-330,623.20

Finding the Fourth Proportional to 961,856.20, 1,442,444.10 and 330,623.20

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Solution

The fourth proportional to 961,856.20, 1,442,444.10 and 330,623.20 is: 495,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,856.20 : 1,442,444.10 = 330,623.20 : x
  2. Step 2: Convert to fraction form
    961,856.20/1,442,444.10 = 330,623.20/x
  3. Step 3: Cross multiply
    961,856.20x = 1,442,444.10 × 330,623.20
  4. Step 4: Simplify right side
    961,856.20x = 476,905,484,163.12
  5. Step 5: Solve for x
    x = 476,905,484,163.12/961,856.20
  6. Step 6: Final answer
    x = 495,817.86

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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.