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Finding the Fourth Proportional to 464,289.17, 696,630.60 and 253,681.07

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Solution

The fourth proportional to 464,289.17, 696,630.60 and 253,681.07 is: 380,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,289.17 : 696,630.60 = 253,681.07 : x
  2. Step 2: Convert to fraction form
    464,289.17/696,630.60 = 253,681.07/x
  3. Step 3: Cross multiply
    464,289.17x = 696,630.60 × 253,681.07
  4. Step 4: Simplify right side
    464,289.17x = 176,721,992,519.59
  5. Step 5: Solve for x
    x = 176,721,992,519.59/464,289.17
  6. Step 6: Final answer
    x = 380,629.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.