Home / 562,230.32-775,931.20-307,619.78

Finding the Fourth Proportional to 562,230.32, 775,931.20 and 307,619.78

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Solution

The fourth proportional to 562,230.32, 775,931.20 and 307,619.78 is: 424,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,230.32 : 775,931.20 = 307,619.78 : x
  2. Step 2: Convert to fraction form
    562,230.32/775,931.20 = 307,619.78/x
  3. Step 3: Cross multiply
    562,230.32x = 775,931.20 × 307,619.78
  4. Step 4: Simplify right side
    562,230.32x = 238,691,780,390.43
  5. Step 5: Solve for x
    x = 238,691,780,390.43/562,230.32
  6. Step 6: Final answer
    x = 424,544.49

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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.