Home / 918,116.97-1,267,032.18-510,236

Finding the Fourth Proportional to 918,116.97, 1,267,032.18 and 510,236

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Solution

The fourth proportional to 918,116.97, 1,267,032.18 and 510,236 is: 704,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,116.97 : 1,267,032.18 = 510,236 : x
  2. Step 2: Convert to fraction form
    918,116.97/1,267,032.18 = 510,236/x
  3. Step 3: Cross multiply
    918,116.97x = 1,267,032.18 × 510,236
  4. Step 4: Simplify right side
    918,116.97x = 646,485,431,394.48
  5. Step 5: Solve for x
    x = 646,485,431,394.48/918,116.97
  6. Step 6: Final answer
    x = 704,142.78

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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.