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Finding the Fourth Proportional to 456,758.76, 630,328.32 and 252,823.72

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Solution

The fourth proportional to 456,758.76, 630,328.32 and 252,823.72 is: 348,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,758.76 : 630,328.32 = 252,823.72 : x
  2. Step 2: Convert to fraction form
    456,758.76/630,328.32 = 252,823.72/x
  3. Step 3: Cross multiply
    456,758.76x = 630,328.32 × 252,823.72
  4. Step 4: Simplify right side
    456,758.76x = 159,361,950,683.75
  5. Step 5: Solve for x
    x = 159,361,950,683.75/456,758.76
  6. Step 6: Final answer
    x = 348,897.42

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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.