Home / 648,575.91-973,461.90-328,952.10

Finding the Fourth Proportional to 648,575.91, 973,461.90 and 328,952.10

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Solution

The fourth proportional to 648,575.91, 973,461.90 and 328,952.10 is: 493,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,575.91 : 973,461.90 = 328,952.10 : x
  2. Step 2: Convert to fraction form
    648,575.91/973,461.90 = 328,952.10/x
  3. Step 3: Cross multiply
    648,575.91x = 973,461.90 × 328,952.10
  4. Step 4: Simplify right side
    648,575.91x = 320,222,336,274.99
  5. Step 5: Solve for x
    x = 320,222,336,274.99/648,575.91
  6. Step 6: Final answer
    x = 493,731.47

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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.