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Finding the Fourth Proportional to 437,258.69, 654,406.62 and 268,885.66

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Solution

The fourth proportional to 437,258.69, 654,406.62 and 268,885.66 is: 402,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,258.69 : 654,406.62 = 268,885.66 : x
  2. Step 2: Convert to fraction form
    437,258.69/654,406.62 = 268,885.66/x
  3. Step 3: Cross multiply
    437,258.69x = 654,406.62 × 268,885.66
  4. Step 4: Simplify right side
    437,258.69x = 175,960,552,655.04
  5. Step 5: Solve for x
    x = 175,960,552,655.04/437,258.69
  6. Step 6: Final answer
    x = 402,417.51

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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.