Home / 402,919.20-604,844.40-216,295.20

Finding the Fourth Proportional to 402,919.20, 604,844.40 and 216,295.20

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Solution

The fourth proportional to 402,919.20, 604,844.40 and 216,295.20 is: 324,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,919.20 : 604,844.40 = 216,295.20 : x
  2. Step 2: Convert to fraction form
    402,919.20/604,844.40 = 216,295.20/x
  3. Step 3: Cross multiply
    402,919.20x = 604,844.40 × 216,295.20
  4. Step 4: Simplify right side
    402,919.20x = 130,824,940,466.88
  5. Step 5: Solve for x
    x = 130,824,940,466.88/402,919.20
  6. Step 6: Final answer
    x = 324,692.74

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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.