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Finding the Fourth Proportional to 456,812.73, 630,393.95 and 252,859.28

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Solution

The fourth proportional to 456,812.73, 630,393.95 and 252,859.28 is: 348,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,812.73 : 630,393.95 = 252,859.28 : x
  2. Step 2: Convert to fraction form
    456,812.73/630,393.95 = 252,859.28/x
  3. Step 3: Cross multiply
    456,812.73x = 630,393.95 × 252,859.28
  4. Step 4: Simplify right side
    456,812.73x = 159,400,955,897.09
  5. Step 5: Solve for x
    x = 159,400,955,897.09/456,812.73
  6. Step 6: Final answer
    x = 348,941.58

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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.