Home / 456,747.20-630,298.16-252,806.48

Finding the Fourth Proportional to 456,747.20, 630,298.16 and 252,806.48

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Solution

The fourth proportional to 456,747.20, 630,298.16 and 252,806.48 is: 348,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,747.20 : 630,298.16 = 252,806.48 : x
  2. Step 2: Convert to fraction form
    456,747.20/630,298.16 = 252,806.48/x
  3. Step 3: Cross multiply
    456,747.20x = 630,298.16 × 252,806.48
  4. Step 4: Simplify right side
    456,747.20x = 159,343,459,180.08
  5. Step 5: Solve for x
    x = 159,343,459,180.08/456,747.20
  6. Step 6: Final answer
    x = 348,865.76

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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.