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Finding the Fourth Proportional to 653,880, 975,097.92 and 647,901

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Solution

The fourth proportional to 653,880, 975,097.92 and 647,901 is: 966,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,880 : 975,097.92 = 647,901 : x
  2. Step 2: Convert to fraction form
    653,880/975,097.92 = 647,901/x
  3. Step 3: Cross multiply
    653,880x = 975,097.92 × 647,901
  4. Step 4: Simplify right side
    653,880x = 631,766,917,465.92
  5. Step 5: Solve for x
    x = 631,766,917,465.92/653,880
  6. Step 6: Final answer
    x = 966,181.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.