Home / 479,095.79-717,798.04-426,968.64

Finding the Fourth Proportional to 479,095.79, 717,798.04 and 426,968.64

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Solution

The fourth proportional to 479,095.79, 717,798.04 and 426,968.64 is: 639,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,095.79 : 717,798.04 = 426,968.64 : x
  2. Step 2: Convert to fraction form
    479,095.79/717,798.04 = 426,968.64/x
  3. Step 3: Cross multiply
    479,095.79x = 717,798.04 × 426,968.64
  4. Step 4: Simplify right side
    479,095.79x = 306,477,251,866.04
  5. Step 5: Solve for x
    x = 306,477,251,866.04/479,095.79
  6. Step 6: Final answer
    x = 639,699.33

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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.