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Finding the Fourth Proportional to 456,586.96, 630,077.88 and 252,632.56

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Solution

The fourth proportional to 456,586.96, 630,077.88 and 252,632.56 is: 348,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,586.96 : 630,077.88 = 252,632.56 : x
  2. Step 2: Convert to fraction form
    456,586.96/630,077.88 = 252,632.56/x
  3. Step 3: Cross multiply
    456,586.96x = 630,077.88 × 252,632.56
  4. Step 4: Simplify right side
    456,586.96x = 159,178,187,823.77
  5. Step 5: Solve for x
    x = 159,178,187,823.77/456,586.96
  6. Step 6: Final answer
    x = 348,626.22

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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.