Home / 456,749.38-630,309.54-252,800.74

Finding the Fourth Proportional to 456,749.38, 630,309.54 and 252,800.74

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Solution

The fourth proportional to 456,749.38, 630,309.54 and 252,800.74 is: 348,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,749.38 : 630,309.54 = 252,800.74 : x
  2. Step 2: Convert to fraction form
    456,749.38/630,309.54 = 252,800.74/x
  3. Step 3: Cross multiply
    456,749.38x = 630,309.54 × 252,800.74
  4. Step 4: Simplify right side
    456,749.38x = 159,342,718,141.06
  5. Step 5: Solve for x
    x = 159,342,718,141.06/456,749.38
  6. Step 6: Final answer
    x = 348,862.47

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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.