Home / 753,929.34-1,040,437.35-414,429.18

Finding the Fourth Proportional to 753,929.34, 1,040,437.35 and 414,429.18

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Solution

The fourth proportional to 753,929.34, 1,040,437.35 and 414,429.18 is: 571,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,929.34 : 1,040,437.35 = 414,429.18 : x
  2. Step 2: Convert to fraction form
    753,929.34/1,040,437.35 = 414,429.18/x
  3. Step 3: Cross multiply
    753,929.34x = 1,040,437.35 × 414,429.18
  4. Step 4: Simplify right side
    753,929.34x = 431,187,597,801.87
  5. Step 5: Solve for x
    x = 431,187,597,801.87/753,929.34
  6. Step 6: Final answer
    x = 571,920.44

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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.