Home / 755,389.18-1,042,441.01-415,857.43

Finding the Fourth Proportional to 755,389.18, 1,042,441.01 and 415,857.43

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Solution

The fourth proportional to 755,389.18, 1,042,441.01 and 415,857.43 is: 573,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,389.18 : 1,042,441.01 = 415,857.43 : x
  2. Step 2: Convert to fraction form
    755,389.18/1,042,441.01 = 415,857.43/x
  3. Step 3: Cross multiply
    755,389.18x = 1,042,441.01 × 415,857.43
  4. Step 4: Simplify right side
    755,389.18x = 433,506,839,345.20
  5. Step 5: Solve for x
    x = 433,506,839,345.20/755,389.18
  6. Step 6: Final answer
    x = 573,885.42

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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.