Home / 578,483.27-868,284.64-279,174.55

Finding the Fourth Proportional to 578,483.27, 868,284.64 and 279,174.55

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Solution

The fourth proportional to 578,483.27, 868,284.64 and 279,174.55 is: 419,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,483.27 : 868,284.64 = 279,174.55 : x
  2. Step 2: Convert to fraction form
    578,483.27/868,284.64 = 279,174.55/x
  3. Step 3: Cross multiply
    578,483.27x = 868,284.64 × 279,174.55
  4. Step 4: Simplify right side
    578,483.27x = 242,402,973,643.91
  5. Step 5: Solve for x
    x = 242,402,973,643.91/578,483.27
  6. Step 6: Final answer
    x = 419,031.95

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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.