Home / 918,622.31-1,267,740.98-510,766.04

Finding the Fourth Proportional to 918,622.31, 1,267,740.98 and 510,766.04

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Solution

The fourth proportional to 918,622.31, 1,267,740.98 and 510,766.04 is: 704,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,622.31 : 1,267,740.98 = 510,766.04 : x
  2. Step 2: Convert to fraction form
    918,622.31/1,267,740.98 = 510,766.04/x
  3. Step 3: Cross multiply
    918,622.31x = 1,267,740.98 × 510,766.04
  4. Step 4: Simplify right side
    918,622.31x = 647,519,031,207.78
  5. Step 5: Solve for x
    x = 647,519,031,207.78/918,622.31
  6. Step 6: Final answer
    x = 704,880.59

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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.