Home / 445,976.28-615,477.60-252,384.12

Finding the Fourth Proportional to 445,976.28, 615,477.60 and 252,384.12

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Solution

The fourth proportional to 445,976.28, 615,477.60 and 252,384.12 is: 348,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,976.28 : 615,477.60 = 252,384.12 : x
  2. Step 2: Convert to fraction form
    445,976.28/615,477.60 = 252,384.12/x
  3. Step 3: Cross multiply
    445,976.28x = 615,477.60 × 252,384.12
  4. Step 4: Simplify right side
    445,976.28x = 155,336,772,455.71
  5. Step 5: Solve for x
    x = 155,336,772,455.71/445,976.28
  6. Step 6: Final answer
    x = 348,307.25

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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.