Home / 407,356.45-562,618.46-268,276.77

Finding the Fourth Proportional to 407,356.45, 562,618.46 and 268,276.77

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Solution

The fourth proportional to 407,356.45, 562,618.46 and 268,276.77 is: 370,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,356.45 : 562,618.46 = 268,276.77 : x
  2. Step 2: Convert to fraction form
    407,356.45/562,618.46 = 268,276.77/x
  3. Step 3: Cross multiply
    407,356.45x = 562,618.46 × 268,276.77
  4. Step 4: Simplify right side
    407,356.45x = 150,937,465,711.14
  5. Step 5: Solve for x
    x = 150,937,465,711.14/407,356.45
  6. Step 6: Final answer
    x = 370,529.21

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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.