Home / 940,838.49-1,410,421.14-408,068.82

Finding the Fourth Proportional to 940,838.49, 1,410,421.14 and 408,068.82

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Solution

The fourth proportional to 940,838.49, 1,410,421.14 and 408,068.82 is: 611,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,838.49 : 1,410,421.14 = 408,068.82 : x
  2. Step 2: Convert to fraction form
    940,838.49/1,410,421.14 = 408,068.82/x
  3. Step 3: Cross multiply
    940,838.49x = 1,410,421.14 × 408,068.82
  4. Step 4: Simplify right side
    940,838.49x = 575,548,890,302.86
  5. Step 5: Solve for x
    x = 575,548,890,302.86/940,838.49
  6. Step 6: Final answer
    x = 611,740.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.