Home / 360,407.04-496,826.32-309,172.92

Finding the Fourth Proportional to 360,407.04, 496,826.32 and 309,172.92

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Solution

The fourth proportional to 360,407.04, 496,826.32 and 309,172.92 is: 426,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,407.04 : 496,826.32 = 309,172.92 : x
  2. Step 2: Convert to fraction form
    360,407.04/496,826.32 = 309,172.92/x
  3. Step 3: Cross multiply
    360,407.04x = 496,826.32 × 309,172.92
  4. Step 4: Simplify right side
    360,407.04x = 153,605,244,087.25
  5. Step 5: Solve for x
    x = 153,605,244,087.25/360,407.04
  6. Step 6: Final answer
    x = 426,199.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.