Home / 778,158.86-1,166,899.29-413,340.64

Finding the Fourth Proportional to 778,158.86, 1,166,899.29 and 413,340.64

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Solution

The fourth proportional to 778,158.86, 1,166,899.29 and 413,340.64 is: 619,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,158.86 : 1,166,899.29 = 413,340.64 : x
  2. Step 2: Convert to fraction form
    778,158.86/1,166,899.29 = 413,340.64/x
  3. Step 3: Cross multiply
    778,158.86x = 1,166,899.29 × 413,340.64
  4. Step 4: Simplify right side
    778,158.86x = 482,326,893,509.65
  5. Step 5: Solve for x
    x = 482,326,893,509.65/778,158.86
  6. Step 6: Final answer
    x = 619,830.88

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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.