Home / 447,730.58-617,668.50-302,489.66

Finding the Fourth Proportional to 447,730.58, 617,668.50 and 302,489.66

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Solution

The fourth proportional to 447,730.58, 617,668.50 and 302,489.66 is: 417,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,730.58 : 617,668.50 = 302,489.66 : x
  2. Step 2: Convert to fraction form
    447,730.58/617,668.50 = 302,489.66/x
  3. Step 3: Cross multiply
    447,730.58x = 617,668.50 × 302,489.66
  4. Step 4: Simplify right side
    447,730.58x = 186,838,334,557.71
  5. Step 5: Solve for x
    x = 186,838,334,557.71/447,730.58
  6. Step 6: Final answer
    x = 417,300.81

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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.