Home / 456,574.28-630,091.07-252,621.88

Finding the Fourth Proportional to 456,574.28, 630,091.07 and 252,621.88

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Solution

The fourth proportional to 456,574.28, 630,091.07 and 252,621.88 is: 348,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,574.28 : 630,091.07 = 252,621.88 : x
  2. Step 2: Convert to fraction form
    456,574.28/630,091.07 = 252,621.88/x
  3. Step 3: Cross multiply
    456,574.28x = 630,091.07 × 252,621.88
  4. Step 4: Simplify right side
    456,574.28x = 159,174,790,674.61
  5. Step 5: Solve for x
    x = 159,174,790,674.61/456,574.28
  6. Step 6: Final answer
    x = 348,628.47

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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.