Home / 755,396.18-1,042,450.68-415,864.44

Finding the Fourth Proportional to 755,396.18, 1,042,450.68 and 415,864.44

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Solution

The fourth proportional to 755,396.18, 1,042,450.68 and 415,864.44 is: 573,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,396.18 : 1,042,450.68 = 415,864.44 : x
  2. Step 2: Convert to fraction form
    755,396.18/1,042,450.68 = 415,864.44/x
  3. Step 3: Cross multiply
    755,396.18x = 1,042,450.68 × 415,864.44
  4. Step 4: Simplify right side
    755,396.18x = 433,518,168,265.82
  5. Step 5: Solve for x
    x = 433,518,168,265.82/755,396.18
  6. Step 6: Final answer
    x = 573,895.10

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1.5x scale

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.