Home / 753,661.80-1,040,041.49-414,122.76

Finding the Fourth Proportional to 753,661.80, 1,040,041.49 and 414,122.76

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Solution

The fourth proportional to 753,661.80, 1,040,041.49 and 414,122.76 is: 571,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,661.80 : 1,040,041.49 = 414,122.76 : x
  2. Step 2: Convert to fraction form
    753,661.80/1,040,041.49 = 414,122.76/x
  3. Step 3: Cross multiply
    753,661.80x = 1,040,041.49 × 414,122.76
  4. Step 4: Simplify right side
    753,661.80x = 430,704,850,282.70
  5. Step 5: Solve for x
    x = 430,704,850,282.70/753,661.80
  6. Step 6: Final answer
    x = 571,482.93

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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.